Two Common ravens interacting in flight.
Two Common Ravens in flight; J Schmidt; 1977
Cliff Swallow nests on Soda Butte
Cliff Swallow nests on Soda Butte; William S Keller; 1979
Common raven wing prints in snow
Raven wing prints in snow; Mark Marschall; 1979
Black-billed magpie & carrion - Public Domain image, National Parks Ga...
Magpie & carrion; Ron Shade; 1980 Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Yellowstone National Park, Bohemian waxwings
Bohemian waxwings, Bunsen Peak Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
House wren nesting in an aspen on Beaver Pond Trail
House wren nesting in an aspen
A wolf chases magpies and ravens from an elk carcass near Soda Butte
A wolf chases magpies and ravens from an elk carcass near Soda Butte; Jim Peaco; January 10, 2016; Catalog #20469d; Original #IMG_9965
Bohemian waxwing in flight - Public Domain image, National Parks Galle...
Bohemian waxwing, Bunsen Peak Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Cowbird, Lamar Valley, Yellowstone National Park
Cowbird, Lamar Valley Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Yellowstone National Park, Mountain bluebird
Mountain bluebird; NPS/David Restivo; 20120702_drestivo
Red-breasted nuthatch, Yellowstone National Park
Red-breasted nuthatch near Northeast Entrance; Jim Peaco; January 2016; Catalog #20476d; Original #IMG_7248
Raven flying low, Yellowstone National Park
Raven flying low Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Red-breasted nuthatch, Yellowstone National Park
Red-breasted nuthatch near Northeast Entrance; Jim Peaco; January 2016; Catalog #20479d; Original #IMG_7358
Coyote approaching bison carcass in Yellowstone River scaring off bald...
Coyote approaching bison carcass in Yellowstone River scaring off bald eagle and ravens; Jim Peaco; March 3, 2016
Magpie tracks in snow on Capitol Hill at Mammoth Hot Springs
Magpie tracks in snow on Capitol Hill at Mammoth Hot Springs
Yellowstone National Park, Steller's jay
Steller's jay near Silver Gate, MT; Jim Peaco; December 2005
Clark's nutcracker in snowfall - Public Domain image, National Parks G...
Clark's nutcracker in snowfall near Silver Gate, MT; Jim Peaco; December 2005; Catalog #18308d
Yellowstone National Park, Steller's jay
Steller's jay near Silver Gate, MT; Jim Peaco; December 2005
Yellowstone National Park, Clark's nutcracker
Clark's nutcracker near Silver Gate, MT; Jim Peaco; December 52005
Yellowstone National Park, Clark's nutcracker
Clark's nutcracker near Silver Gate, MT; Jim Peaco; December 2005
Yellowstone National Park, Steller's jay
Steller's jay near Silver gate, MT; Jim Peaco; December 2005; Catalog #18296d
Yellowstone National Park, Clark's nutcracker
Clark's nutcracker near Silver Gate, MT; Jim Peaco; December 2005 Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Yellowstone National Park, Mountain chickadee
Mountain chickadee near Silver Gate, MT; Jim Peaco; December 2005
White-breasted nuthatch, Yellowstone National Park
White-breasted nuthatch near Silver Gate, MT; Jim Peaco; 2006; Catalog #18288d; Original #IT8M8279
Yellowstone National Park, Mountain chickadee
Mountain chickadee near Silver Gate, MT; Jim Peaco; 2005
Yellowstone National Park, Clark's nutcracker
Clark's nutcracker near Silver Gate, MT; Jim Peaco; December 2005
White-breasted nuthatch, Yellowstone National Park
White-breasted nuthatch near Silver Gate, MT; Jim Peaco; 2006; Catalog #18290d; Original #IT8M8287
Two white-breasted nuthatches - Public Domain image, National Parks Ga...
Two white-breasted nuthatches near Silver Gate, MT; Jim Peaco; 2006; Catalog #18285d; Original #IT8M8298
White-breasted nuthatch, Yellowstone National Park
White-breasted nuthatch near Silver Gate, MT; Jim Peaco; 2006; Catalog #18289d; Original #IT8M8275
Yellowstone National Park, Clark's nutcracker
Clark's nutcracker near Silver Gate, MT; Jim Peaco; December 2005
White-breasted nuthatch, Yellowstone National Park
White-breasted nuthatch near Silver Gate, MT; Jim Peaco; 2006; Catalog #18286d; Original #IT8M8297
Yellowstone National Park, Clark's nutcracker
Clark's nutcracker near Silver Gate, MT; Jim Peaco; December 2005
Yellowstone National Park, Mountain chickadee
Mountain chickadee near Silver Gate, MT; Jim Peaco; December 2005
White-breasted nuthatch, Yellowstone National Park
White-breasted nuthatch near Silver Gate, MT; Jim Peaco; 2006; Catalog #18287d; Original #IT8M8304
American Tree Sparrow - National Parks Gallery
An American tree sparrow Public domain scan of drawing, botanical illustration, free to use, no copyright restrictions image - Picryl description
White-crowned Sparrow - National Parks Gallery
A white-crowned sparrow Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Yellow-rumped Warbler - National Parks Gallery
A yellow-rumped warbler about to touch down
Denali national park - American Robin
An American robin Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
White-crowned Sparrow - National Parks Gallery
A white-crowned sparrow Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Dark-eyed Junco - National Parks Gallery
A dark-eyed junco Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Backlit Bohemian Waxwing - National Parks Gallery
A Bohemian waxwing atop a spruce tree Public domain scan of silhouette art photography, free to use, no copyright restrictions image - Picryl description
Denali national park - Boreal Chickadee
A boreal chickadee Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
White-crowned Sparrow - National Parks Gallery
White-crowned sparrow Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
White-crowned Sparrow - National Parks Gallery
A white-crowned sparrow Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Denali national park - Swainson's Thrush
A Swainson's thrush perched in a tree
White-crowned Sparrow in Flight
A white-crowned sparrow taking off!
Denali national park - Boreal Chickadee
A boreal chickadee in Denali Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Denali national park - Boreal Chickadee
A boreal chickadee in a snowy forest
Denali national park - Townsend's Solitaire
A Townsend's solitaire Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Yellow-Rumped Warbler - National Parks Gallery
A yellow-rumped warbler perched in an aspen tree
Dark-eyed Junco - National Parks Gallery
A dark-eyed junco perched in a tree
Denali national park - Boreal Chickadee
A boreal chickadee perched in a spruce tree
Denali national park - Savannah Sparrow
A Savannah sparrow Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Common raven with frost on back at Roaring Mountain
Common raven with frost on back at Roaring Mountain; Diane Renkin; October 2012; Catalog #18977d; Original #DSCN8515
White-crowned sparrow, Yellowstone National Park
White-crowned sparrow; Jim Peaco; July 2012; Catalog #19045d; Original #IMG_6220
Raven with frost on back at Roaring Mountain
Raven with frost on back at Roaring Mountain; Diane Renkin; October 2012; Catalog #18976d; Original #DSCN8511
Yellowstone National Park, Common Raven
Common raven; Neal Herbert; October 2013; Catalog #19265d; Original #yell-ndh-0754
Wolf, ravens, coyotes and grizzly bear on a carcass on Swan Lake Flat
Wolf, ravens, coyotes and grizzly bear on a carcass on Swan Lake Flat; Jim Peaco; April 16, 2013; Catalog #20013d; Original #IMG_9331
National parks: Cowbird - public domain image
Cowbird; Neal Herbert; May 2014; Catalog #19407d; Original #9100 Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Commmon raven, Mammoth Hot Springs
Commmon raven, Mammoth Hot Springs Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Yellowstone National Park, Western tanager
Western tanager; Lori Wilkinson; July 2014; Catalog #19529d
Yellowstone National Park, American Robin
American Robin Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Ruby-crowned kinglet, Slough Creek
Ruby crowned kinglet at Slough Creek; Neal Herbert; May 2015; Catalog #20172; Original #ndh-yell-7769
Western meadowlark, Lamar Valley
Western meadowlark in flight in Lamar Valley; Neal Herbert; May 2015; Catalog #20144d; Original #ndh-yell-8164
Gray Jay, Slough Creek - Public Domain image, National Parks Gallery
Gray jay with insect at Slough Creek; Neal Herbert; May 2105; Catalog #20143d; Original #ndh-yell-7800
Warbling vireo, Mammoth Hot Springs
NPS photo by Neal Herbert Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Common Raven, Steamboat Point - Public Domain image, National Parks Ga...
Common Raven, Steamboat Point Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Yellowstone National Park, Chipping sparrow
Chipping sparrow with food in mouth at West Thumb Geyser Basin; Diane Renkin; July 2015; Catalog #20250d; Original #P1070368
Mountain bluebird, Lamar Valley
Mountain bluebird, Lamar Valley Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Red-winged blackbird, Mammoth Hot Springs
Red-winged blackbird, Mammoth Hot Springs
Female mountain bluebird, Yellowstone National Park
Female mountain bluebird with food for her young in her mouth; Diane Renkin; July 2015; Catalog #P1070345
Robin's nest, Mammoth Hot Springs
Robin's nest, Mammoth Hot Springs Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Western meadowlark, Lamar Valley
Western meadowlark singing in Lamar Valley; Neal Herbert; May 2015; Catalog #20145d; Original #ndh-yell-8160
A blue and orange bird sitting on a branch. Western bluebird blue.
A blue and orange bird sitting on a branch / A blue and orange bird sitting on a branch / Animals public domain photography.
A black and white bird sitting on a ledge. Large pied wagtail bird mot...
A black and white bird standing on a ledge / A small bird standing on a ledge near a pool / Public domain photo of a bird, nature.
A black and white bird sitting on a ledge. Large pied wagtail bird mot...
A black and white bird standing on a ledge / A small bird is standing on a ledge / Public domain photo of a bird, nature.
A small bird sitting on top of a bush. Northern mockingbird mimus poly...
A bird is sitting on a bush in the sun / A small bird sitting on top of a bush / Animals public domain photography.
American Robin - Turdus migratorius
American Robin - Turdus migratorius Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Ravens scavenging an elk carcass
Ravens scavenging an elk carcass Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Yellow-headed blackbird, Yellowstone National Park
Yellow-headed blackbird and trumpeter swans
Chipping sparrow - Spizella passerina
Chipping sparrow Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Yellow-headed blackbird - Xanthocephalus xanthocephalus
Yellow-headed blackbird Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Ravens stand by bald eagle on a carcass
Ravens stand by bald eagle on a carcass
Female mountain bluebird, Yellowstone National Park
Female mountain bluebird Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Brewer's sparrow nest and eggs - Public Domain image, National Parks G...
Brewer's sparrow nest and eggs Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Yellow-headed blackbird - Xanthocephalus xanthocephalus
Yellow-headed blackbird Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Horned Lark - Eremophila alpestris
Horned Lark - Eremophila alpestris Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Juvenile American robin, Yellowstone National Park
Juvenile American robin, Mammoth Hot Springs
A raven scavenges a frog - Public Domain image, National Parks Gallery
A raven scavenges a frog Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Raven (Corvus corax) calling along the Firehole River
Raven (Corvus corax) calling along the Firehole River Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Raven roosting in snow - Public Domain image, National Parks Gallery
Raven roosting in snow Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Green-tailed towhee (Pipilo chlorurus) along the Yellowstone River Tra...
Green-tailed towhee Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Male mountain bluebird, Yellowstone National Park
Male mountain bluebird perches on the top of a dead snag.
Yellowstone National Park, Mountain bluebird
Mountain bluebird builds a nest in a horse railing.
Male mountain bluebird, Yellowstone National Park
Male mountain bluebird perches on top of horse railing.
Western Tanager (Piranga ludoviciana) perched on a limb
Western Tanager (Piranga ludoviciana) perched on a limb
Ruby-crowned kinglet (Regulus calendula) along Artists Paintpots Trail
NPS / Jacob W. Frank Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
White-crowned sparrow (Zonotrichia leucophrys) along the Artists Paint...
White-crowned sparrow Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Male and female mountain bluebirds
Male and female mountain bluebirds Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Female mountain bluebird, Yellowstone National Park
Female mountain bluebird with nesting material in her mouth.