[ { "id": "american-coots", "title": "American Coots", "timeOfDay": "Dawn", "theme": "Birds", "zoneLabel": "Wetland margin", "audioPath": "American Coots/American Coots.mp3", "description": "The call of American Coots echoes across wetland margin.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "American Coots/American Coots_NPS _ Neal Herbert_2016-09-14.jpg", "fieldNote": "American Coots skitter through the wetland margin, their sharp calls cutting through the morning mist." }, { "id": "american-robin", "title": "American Robin", "timeOfDay": "Dawn", "theme": "Birds", "zoneLabel": "Forest edge", "audioPath": "American Robin/Sound Library - American Robin.mp3", "description": "The call of American Robin echoes across forest edge.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "American Robin/Sound Library - American Robin_NPS _ Neal Herbert_.jpg", "fieldNote": "The first light brings the robin to the forest edge, its song mapping the boundary between dark and day." }, { "id": "birds---bird-chorus", "title": "Bird Chorus", "timeOfDay": "Dawn", "theme": "Birds", "zoneLabel": "Morning chorus", "audioPath": "Birds - Bird Chorus/Sound Library - Bird Chorus.mp3", "description": "The call of Bird Chorus echoes across morning chorus.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Before the sun clears the ridge, the entire valley fills with layered song, each species staking its claim in the chorus." }, { "id": "bird---common-yellowthroat", "title": "Common Yellowthroat", "timeOfDay": "Dawn", "theme": "Birds", "zoneLabel": "Shrub wetland", "audioPath": "Bird - Common Yellowthroat/Sound Library - Common Yellowthroat.mp3", "description": "The call of Common Yellowthroat echoes across shrub wetland.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Hidden in dense shrub, the Common Yellowthroat delivers its witchity-witchity call with surprising force." }, { "id": "dawn-chorus", "title": "Dawn Chorus", "timeOfDay": "Dawn", "theme": "Birds", "zoneLabel": "Morning soundscape", "audioPath": "Dawn Chorus/Sound Library - Dawn Chorus.mp3", "description": "The call of Dawn Chorus echoes across morning soundscape.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Dawn Chorus/Sound Library - Dawn Chorus_NPS_Neal Herbert.jpg", "fieldNote": "At first light, the soundscape swells: warblers, thrushes, and sparrows weaving a collective tapestry of territorial song." }, { "id": "red-fox", "title": "Red Fox", "timeOfDay": "Dawn", "theme": "Wildlife", "zoneLabel": "Forest edge", "audioPath": "Red Fox/Sound Library - Red Fox.mp3", "description": "Red Fox moves through forest edge, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Red Fox/Sound Library - Red Fox_NPS _ Jim Peaco_2008-03-07.jpg", "fieldNote": "A Red Fox moves through the forest edge, its sharp bark cutting through the stillness, a territorial signal in the half-light." }, { "id": "bird---red-winged-blackbird", "title": "Red-Winged Blackbird", "timeOfDay": "Dawn", "theme": "Birds", "zoneLabel": "Marshland", "audioPath": "Bird - Red-Winged Blackbird/Sound Library - Red-Winged Blackbird.mp3", "description": "The call of Red-Winged Blackbird echoes across marshland.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Bird - Red-Winged Blackbird/Sound Library - Red-Winged Blackbird_NPS _ Neal Herbert_2015-04-27.jpg", "fieldNote": "Perched on cattails, the Red-Winged Blackbird flashes its epaulets while delivering a liquid konk-la-reee across the marsh." }, { "id": "sandhill-crane", "title": "Sandhill Crane", "timeOfDay": "Dawn", "theme": "Birds", "zoneLabel": "Wetland meadow", "audioPath": "Sandhill Crane/Sound Library - Sandhill Crane.mp3", "description": "The call of Sandhill Crane echoes across wetland meadow.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Sandhill Crane/Sound Library - Sandhill Crane_NPS_Neal Herbert.jpg", "fieldNote": "Sandhill Cranes pass overhead in loose formation, their rolling bugle calls carrying for miles across the wetland meadow." }, { "id": "soundscapes", "title": "Soundscapes", "timeOfDay": "Dawn", "theme": "Ambient", "zoneLabel": "Park-wide soundscape", "audioPath": "Soundscapes/Soundscapes.mp3", "description": "A layered soundscape capturing the full acoustic depth of park-wide soundscape.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "This layered recording captures the full acoustic depth of the park: wind through lodgepole pines, distant water, and the continuous murmur of unseen life." }, { "id": "american-dipper", "title": "American Dipper", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Mountain stream", "audioPath": "American Dipper/Sound Library - American Dipper.mp3", "description": "The call of American Dipper echoes across mountain stream.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "American Dipper/Sound Library - American Dipper_NPS _ Jacob W. Frank_.jpg", "fieldNote": "The American Dipper stands on a streamside rock, its clear bubbling song rising above the rush of mountain water." }, { "id": "bald-eagle", "title": "Bald Eagle", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Riverside perch", "audioPath": "Bald Eagle/Sound Library - Bald Eagle.mp3", "description": "The call of Bald Eagle echoes across riverside perch.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Bald Eagle/Sound Library - Bald Eagle_NPS _ Jim Peaco_.jpg", "fieldNote": "From a riverside perch, the Bald Eagle emits a series of high-pitched whistles, far more delicate than its fierce appearance suggests." }, { "id": "canada-goose", "title": "Canada Goose", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Lake shore", "audioPath": "Canada Goose/Canada Goose.mp3", "description": "The call of Canada Goose echoes across lake shore.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Canada Geese trumpet across the lake shore, their honking calls echoing off the water in the still morning air." }, { "id": "bird---clarks-nutcracker", "title": "Clark's Nutcracker", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Pine forest", "audioPath": "Bird - Clark's Nutcracker/Sound Library - Clark’s Nutcracker.mp3", "description": "The call of Clark's Nutcracker echoes across pine forest.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Bird - Clark's Nutcracker/Sound Library - Clark’s Nutcracker_NPS _ Jim Peaco_2007-03-18.jpg", "fieldNote": "In the pine forest, Clark's Nutcracker works through the cones with mechanical precision, its harsh kraaa calls bouncing between trunks." }, { "id": "common-raven", "title": "Common Raven", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Canyon rim", "audioPath": "Common Raven/Sound Library - Common Raven.mp3", "description": "The call of Common Raven echoes across canyon rim.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Common Raven/Sound Library - Common Raven_NPS_Neal Herbert.jpg", "fieldNote": "Ravens wheel above the canyon rim, their deep croaks and watery gurgles echoing off the basalt walls below." }, { "id": "killdeer", "title": "Killdeer", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Gravel bar", "audioPath": "Killdeer/Sound Library - Killdeer.mp3", "description": "The call of Killdeer echoes across gravel bar.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "On the gravel bar, a Killdeer performs its broken-wing display while shouting its own name in sharp, insistent cries." }, { "id": "mountain-bluebird", "title": "Mountain Bluebird", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Open meadow", "audioPath": "Mountain Bluebird/Sound Library - Mountain Bluebird.mp3", "description": "The call of Mountain Bluebird echoes across open meadow.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Mountain Bluebird/Sound Library - Mountain Bluebird_NPS _ Neal Herbert.jpg", "fieldNote": "The Mountain Bluebird's soft warble carries across the open meadow, a gentle counterpoint to the wind." }, { "id": "red-squirrel", "title": "Red Squirrel", "timeOfDay": "Morning", "theme": "Wildlife", "zoneLabel": "Pine forest", "audioPath": "Red Squirrel/Sound Library - Red Squirrel.mp3", "description": "Red Squirrel moves through pine forest, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Red Squirrel/Sound Library - Red Squirrel_NPS _ Neal Herbert_2004-03-20.jpg", "fieldNote": "A Red Squirrel chatters from a pine branch, its staccato alarm calls warning the forest of intruders." }, { "id": "ruffed-grouse", "title": "Ruffed Grouse", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Deciduous forest", "audioPath": "Ruffed Grouse/Sound Library - Ruffed Grouse.mp3", "description": "The call of Ruffed Grouse echoes across deciduous forest.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Ruffed Grouse/Sound Library - Ruffed Grouse_NPS_Neal Herbert.jpg", "fieldNote": "Deep in the deciduous forest, a Ruffed Grouse beats the air with its wings, producing a deep thumping that sounds like a distant engine starting." }, { "id": "bird---savannah-sparrow", "title": "Savannah Sparrow", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Grassland", "audioPath": "Bird - Savannah Sparrow/Sound Library - Savannah Sparrow.mp3", "description": "The call of Savannah Sparrow echoes across grassland.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "From a grassland perch, the Savannah Sparrow delivers its thin, insect-like song with mechanical regularity." }, { "id": "snowmobile", "title": "Snowmobile", "timeOfDay": "Morning", "theme": "Human", "zoneLabel": "Winter trail", "audioPath": "Snowmobile/Sound Library - Snowmobile.mp3", "description": "Snowmobile traces the historic and modern human presence in the park.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Snowmobile/Sound Library - Snowmobile_NPS _ Neal Herbert_.jpg", "fieldNote": "The two-stroke whine of a snowmobile cuts across the winter trail, a sharp reminder of human presence in the white silence." }, { "id": "townsends-solitaire", "title": "Townsend's Solitaire", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Sagebrush slope", "audioPath": "Townsend's Solitaire/Townsend's Solitaire.mp3", "description": "The call of Townsend's Solitaire echoes across sagebrush slope.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "On a sagebrush slope, Townsend's Solitaire pours out a long, flute-like song that seems to hang in the thin mountain air." }, { "id": "uinta-ground-squirrel", "title": "Uinta Ground Squirrel", "timeOfDay": "Morning", "theme": "Wildlife", "zoneLabel": "Alpine meadow", "audioPath": "Uinta Ground Squirrel/Sound Library - Uinta Ground Squirrel.mp3", "description": "Uinta Ground Squirrel moves through alpine meadow, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Uinta Ground Squirrel/Sound Library - Uinta Ground Squirrel_NPS _ Neal Herbert_2016-06-01.jpg", "fieldNote": "Uinta Ground Squirrels whistle from their burrows in the alpine meadow, a high-pitched alarm that sends the colony diving for cover." }, { "id": "warbling-vireo", "title": "Warbling Vireo", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Cottonwood canopy", "audioPath": "Warbling Vireo/Warbling Vireos.mp3", "description": "The call of Warbling Vireo echoes across cottonwood canopy.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Warbling Vireo/Warbling Vireos_NPS _ Neal Herbert.jpg", "fieldNote": "Hidden in the cottonwood canopy, the Warbling Vireo delivers its endless, meandering song without apparent need for breath." }, { "id": "western-meadow-lark", "title": "Western Meadow Lark", "timeOfDay": "Morning", "theme": "Birds", "zoneLabel": "Prairie grassland", "audioPath": "Western Meadow Lark/Western Meadow Lark.mp3", "description": "The call of Western Meadow Lark echoes across prairie grassland.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "The Western Meadowlark's rich, flute-like melody rises from the prairie grassland, one of the most complex songs in North America." }, { "id": "geyser---anemone", "title": "Anemone Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Geyser - Anemone/Sound Library - Anemone Geysers.mp3", "description": "Anemone Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Anemone Geyser erupts in the Upper Basin, sending a column of steam and water into the air with a deep, pressurized roar." }, { "id": "anemone-geysers", "title": "Anemone Geysers", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Anemone Geysers/Sound Library - Anemone Geysers.mp3", "description": "Anemone Geysers releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "The Anemone Geysers cycle through their eruption phases, each burst accompanied by a distinct change in pitch and intensity." }, { "id": "artist-paint-pots", "title": "Artist Paint Pots", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Gibbon Geyser Basin", "audioPath": "Artist Paint Pots/Sound Library - Artist Paint Pots.mp3", "description": "Artist Paint Pots releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Artist Paint Pots/Sound Library - Artist Paint Pots_NPS_Neal Herbert_2014-11-21.jpg", "fieldNote": "At Artist Paint Pots, thick mud bubbles and pops with wet, organic sounds, like a giant cooking in a deep cauldron." }, { "id": "beehive-geyser", "title": "Beehive Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Beehive Geyser/Beehive Geyser.mp3", "description": "Beehive Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Beehive Geyser lives up to its name, sending a narrow, focused jet of water high into the air with a whistling shriek." }, { "id": "geyser---beehive", "title": "Beehive Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Geyser - Beehive/Beehive Geyser.mp3", "description": "Beehive Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "The cone of Beehive Geyser shapes its eruption into a focused column, the water cutting the air with a sharp hiss." }, { "id": "beryl-spring", "title": "Beryl Spring", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Gibbon Geyser Basin", "audioPath": "Beryl Spring/Beryl Spring.mp3", "description": "Beryl Spring releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Beryl Spring boils continuously, its deep turquoise surface disturbed by constant bubbling and the low rumble of underground pressure." }, { "id": "bison-eating", "title": "Bison Eating", "timeOfDay": "Midday", "theme": "Wildlife", "zoneLabel": "Grassland herd", "audioPath": "Bison (eating)/Sound Library - Bison Eating.mp3", "description": "Bison Eating moves through grassland herd, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Bison (eating)/Sound Library - Bison Eating_NPS_Neal Herbert_2015-03-13.jpg", "fieldNote": "A Bison herd grazes through the grassland, the sound of tearing grass and heavy breathing filling the air between grunts." }, { "id": "castle-geyser", "title": "Castle Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Castle Geyser/Sound Library - Castle Geyser.mp3", "description": "Castle Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Castle Geyser/Sound Library - Castle Geyser_NPS_Neal Herbert_.jpg", "fieldNote": "Castle Geyser's cone directs its eruption into a fan-shaped spray, the water crashing back to earth with a continuous thunder." }, { "id": "geyser---cliff", "title": "Cliff Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Geyser - Cliff/Sound Library - Cliff Geyser.mp3", "description": "Cliff Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Geyser - Cliff/Sound Library - Cliff Geyser_NPS_Neal Herbert_.jpg", "fieldNote": "Cliff Geyser erupts from the edge of the Firehole River, its steam mingling with the mist rising from the water below." }, { "id": "ear-spring", "title": "Ear Spring", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Ear Spring/Sound Library - Ear Spring.mp3", "description": "Ear Spring releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Ear Spring bubbles gently in the Upper Basin, its clear water percolating with a sound like a slowly boiling kettle." }, { "id": "fountain-paint-pot", "title": "Fountain Paint Pot", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Lower Geyser Basin", "audioPath": "Fountain Paint Pot/Sound Library - Fountain Paint Pot.mp3", "description": "Fountain Paint Pot releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Fountain Paint Pot/Sound Library - Fountain Paint Pot_NPS_Neal Herbert_.jpg", "fieldNote": "At Fountain Paint Pot, viscous clay mud burps and splatters, each burst producing a wet, satisfying plop." }, { "id": "geyser---grand", "title": "Grand Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Geyser - Grand/Sound Library - Grand Geyser.mp3", "description": "Grand Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Grand Geyser erupts in towering bursts, the water reaching heights that seem impossible, each eruption accompanied by a deep, rolling thunder." }, { "id": "grand-geyser", "title": "Grand Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Grand Geyser/Sound Library - Grand Geyser.mp3", "description": "Grand Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Grand Geyser's eruption is one of the tallest in the world, the water column collapsing back with a continuous roar." }, { "id": "horse-drawn-wagon", "title": "Horse-Drawn Wagon", "timeOfDay": "Midday", "theme": "Human", "zoneLabel": "Historic trail", "audioPath": "Horse-Drawn Wagon/Sound Library - Silver Tip Ranch Horse-Drawn Wagon.mp3", "description": "Horse-Drawn Wagon traces the historic and modern human presence in the park.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "The creak of a horse-drawn wagon traces the historic trail, wood and leather sounds that have echoed here for over a century." }, { "id": "old-faithful-geyser", "title": "Old Faithful Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Old Faithful Geyser/Sound Library - Old Faithful.mp3", "description": "Old Faithful Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Old Faithful Geyser/Sound Library - Old Faithful_NPS_Neal Herbert.jpg", "fieldNote": "Old Faithful delivers its predictable eruption, the water column rising with a steady, pressurized hiss before collapsing in a thunderous cascade." }, { "id": "puff-n-stuff-geyser", "title": "Puff 'n Stuff Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Lower Geyser Basin", "audioPath": "Puff 'n Stuff Geyser/Sound Library - Puff 'n Stuff Geyser.mp3", "description": "Puff 'n Stuff Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Puff 'n Stuff Geyser/Sound Library - Puff 'n Stuff Geyser_NPS_Jim Peaco_2015-03-13.jpg", "fieldNote": "Puff 'n Stuff Geyser lives up to its name, emitting short, energetic bursts of steam and water with each cycle." }, { "id": "geyser---sawmill", "title": "Sawmill Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Geyser - Sawmill/Sound Library - Sawmill Geyser.mp3", "description": "Sawmill Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Geyser - Sawmill/Sound Library - Sawmill Geyser_NPS_Neal Herbert_.jpg", "fieldNote": "Sawmill Geyser churns continuously, its pool boiling and surging with a sound like water about to break into a full eruption." }, { "id": "spouter-geyser", "title": "Spouter Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Black Sand Basin", "audioPath": "Spouter Geyser/Sound Library - Spouter Geyser.mp3", "description": "Spouter Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Spouter Geyser sends a constant stream of water from its vent in the Black Sand Basin, the sound a steady, rushing white noise." }, { "id": "geyser---veteran", "title": "Veteran Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Geyser - Veteran/Sound Library - Veteran Geyser.mp3", "description": "Veteran Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Veteran Geyser erupts with irregular timing, each burst a surprise after hours of quiet bubbling." }, { "id": "vixen-geyser", "title": "Vixen Geyser", "timeOfDay": "Midday", "theme": "Thermal", "zoneLabel": "Norris Geyser Basin", "audioPath": "Vixen Geyser/Sound Library - Vixen Geyser.mp3", "description": "Vixen Geyser releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Vixen Geyser/Sound Library - Vixen Geyser_NPS_Neal Herbert.jpg", "fieldNote": "Vixen Geyser's eruptions are small but frequent, the water dancing just above the vent with a playful, sputtering energy." }, { "id": "black-growler-steam-vent", "title": "Black Growler Steam Vent", "timeOfDay": "Afternoon", "theme": "Thermal", "zoneLabel": "Norris Geyser Basin", "audioPath": "Black Growler Steam Vent/Sound Library - Black Growler Steam Vent.mp3", "description": "Black Growler Steam Vent releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Black Growler Steam Vent/Sound Library - Black Growler Steam Vent_NPS_Neal Herbert_2014-01-31.jpg", "fieldNote": "Black Growler Steam Vent roars continuously in the Norris Basin, a deep, guttural sound that seems to come from the earth itself." }, { "id": "black-sand-pool", "title": "Black Sand Pool", "timeOfDay": "Afternoon", "theme": "Thermal", "zoneLabel": "Upper Geyser Basin", "audioPath": "Black Sand Pool/Sound Library - Black Sand Pool.mp3", "description": "Black Sand Pool releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Black Sand Pool steams quietly in the Upper Basin, its surface disturbed only by the occasional bubble breaking through." }, { "id": "fire", "title": "Fire", "timeOfDay": "Afternoon", "theme": "Weather", "zoneLabel": "Forest fire zone", "audioPath": "Fire/Sound Library - Fire.mp3", "description": "Fire reshapes the acoustic landscape of the park.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Fire/Sound Library - Fire_NPS_Jennifer Jerrett_.jpg", "fieldNote": "A forest fire reshapes the acoustic landscape, the crackle and roar of burning timber replacing the usual birdsong with something primal." }, { "id": "fumaroles", "title": "Fumaroles", "timeOfDay": "Afternoon", "theme": "Thermal", "zoneLabel": "Roaring Mountain", "audioPath": "Fumaroles/Sound Library - Fumaroles.mp3", "description": "Fumaroles releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Fumaroles/Sound Library - Fumaroles_NPS_Neal Herbert_2014-01-31.jpg", "fieldNote": "At Roaring Mountain, Fumaroles vent steam with a continuous hiss, the sound varying with the wind and the pressure below." }, { "id": "hurricane-vent", "title": "Hurricane Vent", "timeOfDay": "Afternoon", "theme": "Thermal", "zoneLabel": "Norris Geyser Basin", "audioPath": "Hurricane Vent/Sound Library - Hurricane Vent.mp3", "description": "Hurricane Vent releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Hurricane Vent lives up to its name, emitting a continuous stream of steam with a force that sounds like a gale trapped underground." }, { "id": "scissors-springs", "title": "Scissors Springs", "timeOfDay": "Afternoon", "theme": "Thermal", "zoneLabel": "Norris Geyser Basin", "audioPath": "Scissors Springs/Sound Library - Scissors Springs.mp3", "description": "Scissors Springs releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "Scissors Springs bubble and churn in the Norris Basin, the water shifting between pools with a sound of constant motion." }, { "id": "the-dragons-mouth", "title": "The Dragon's Mouth", "timeOfDay": "Afternoon", "theme": "Thermal", "zoneLabel": "Mammoth Hot Springs", "audioPath": "The Dragon's Mouth/Sound Library - The Dragon's Mouth.mp3", "description": "The Dragon's Mouth releases the deep pressure of the Yellowstone caldera.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "The Dragon's Mouth/Sound Library - The Dragon's Mouth_NPS_Neal Herbert_.jpg", "fieldNote": "The Dragon's Mouth steams and hisses in Mammoth Hot Springs, the sound echoing from a cave-like opening that seems to breathe." }, { "id": "thunder", "title": "Thunder", "timeOfDay": "Afternoon", "theme": "Weather", "zoneLabel": "Summer storm", "audioPath": "Thunder/Sound Library - Thunder.mp3", "description": "Thunder reshapes the acoustic landscape of the park.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Thunder/Sound Library - Thunder_NPS_Neal Herbert_2014-07-04.jpg", "fieldNote": "Summer thunder rolls across the park, the deep bass notes bouncing between canyon walls in a slow, reverberating cascade." }, { "id": "bison-rut", "title": "Bison Rut", "timeOfDay": "Late Afternoon", "theme": "Wildlife", "zoneLabel": "Rutting ground", "audioPath": "Bison (rut)/Sound Library - Bison.mp3", "description": "Bison Rut moves through rutting ground, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Bison (rut)/Sound Library - Bison_NPS _ Neal Herbert_2014-08-07.jpg", "fieldNote": "During the rut, Bison bulls bellow across the rutting ground, their deep, resonant calls competing for the attention of cows." }, { "id": "common-loon", "title": "Common Loon", "timeOfDay": "Late Afternoon", "theme": "Birds", "zoneLabel": "Lake surface", "audioPath": "Common Loon/Common Loon.mp3", "description": "The call of Common Loon echoes across lake surface.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "A Common Loon calls across the lake surface, its tremolo and wails carrying for miles in the still evening air." }, { "id": "yellowstone-lake-singing", "title": "Singing Lake", "timeOfDay": "Late Afternoon", "theme": "Water", "zoneLabel": "Yellowstone Lake", "audioPath": "Yellowstone Lake (singing)/Sound Library - Singing Lake.mp3", "description": "The surface of Yellowstone Lake sings with shifting ice and wave resonance.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Yellowstone Lake (singing)/Sound Library - Singing Lake_NPS _ Jim Peaco_.jpg", "fieldNote": "The surface of Yellowstone Lake sings with shifting ice and wave resonance, a haunting, ethereal sound that seems to come from nowhere and everywhere." }, { "id": "boreal-chorus-frogs", "title": "Boreal Chorus Frogs", "timeOfDay": "Evening", "theme": "Wildlife", "zoneLabel": "Pond margin", "audioPath": "Boreal Chorus Frogs/Sound Library - Chorus Frogs.mp3", "description": "Boreal Chorus Frogs moves through pond margin, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Boreal Chorus Frogs/Sound Library - Chorus Frogs_NPS _ Neal Herbert_2020-10-14 00:00:00.0.jpg", "fieldNote": "At dusk, Boreal Chorus Frogs fill the pond margin with a continuous, trilling chorus, each frog contributing to a collective wall of sound." }, { "id": "elk", "title": "Elk", "timeOfDay": "Dusk", "theme": "Wildlife", "zoneLabel": "Evening meadow", "audioPath": "Elk/Sound Library - Elk.mp3", "description": "Elk moves through evening meadow, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Elk/Sound Library - Elk_NPS _ Neal Herbert_2016-09-13.jpg", "fieldNote": "An Elk bugles across the evening meadow, its high, whistling call carrying the raw tension of the rut through the cooling air." }, { "id": "wilsons-snipe", "title": "Wilson's Snipe", "timeOfDay": "Dusk", "theme": "Birds", "zoneLabel": "Wetland marsh", "audioPath": "Wilson's Snipe/Sound Library - Wilson's Snipe.mp3", "description": "The call of Wilson's Snipe echoes across wetland marsh.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Wilson's Snipe/Sound Library - Wilson's Snipe_NPS _ Neal Herbert.jpg", "fieldNote": "Wilson's Snipe performs its winnowing display high above the wetland marsh, the sound of its tail feathers producing an eerie, descending bleat." }, { "id": "coyotes", "title": "Coyotes", "timeOfDay": "Night", "theme": "Wildlife", "zoneLabel": "Valley floor", "audioPath": "Coyotes/Sound Library - Coyote.mp3", "description": "Coyotes moves through valley floor, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Coyotes/Sound Library - Coyote_NPS _ Neal Herbert_2016-05-05.jpg", "fieldNote": "Coyotes yip and howl across the valley floor, their calls weaving together in a chorus that fills the night with wild sound." }, { "id": "spadefoot-toad", "title": "Spadefoot Toad", "timeOfDay": "Night", "theme": "Wildlife", "zoneLabel": "Temporary pool", "audioPath": "Spadefoot Toad/Spadefoot Toad.mp3", "description": "Spadefoot Toad moves through temporary pool, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "fieldNote": "After rain, Spadefoot Toads emerge from their burrows around temporary pools, their nasal calls forming a loud, monotonous chorus." }, { "id": "wolves", "title": "Wolves", "timeOfDay": "Night", "theme": "Wildlife", "zoneLabel": "Night soundscape", "audioPath": "Wolves/Sound Library - Wolves.mp3", "description": "Wolves moves through night soundscape, marking territory or seeking mate.", "credit": "Audio and image courtesy of National Park Service.", "imagePath": "Wolves/Sound Library - Wolves_NPS _ Jacob Frank_2016-01-11.jpg", "fieldNote": "Wolves howl across the night soundscape, their long, mournful calls carrying for miles, each note bending and fading into the dark." } ]