Photo credits (photos from Wikimedia Commons unless noted): American badger: Yathin S Krishnappa, CC BY-SA 3.0; Black-tailed jackrabbit: Chuck Homler, CC BY-SA 4.0; Merriam's shrew: photo provided by Mr. Mejia; Pygmy rabbit: U.S. Bureau of Land Management, public domain; Washington ground squirrel: J. Delavan, public domain; White-tailed jackrabbit: Connormah, CC BY-SA 2.0; Beaver: Steve from Washington, DC, CC BY-SA 2.0; Bighorn sheep: Jwanamaker, CC BY-SA 3.0; Coyote: Yathin S Krishnappa, CC BY-SA 3.0; Rocky Mountain elk: Ramesh Thadani, public domain; Hoary bat: Paul Cryan, USGS, public domain; Mule deer: Oregon Dept. of Fish & Wildlife, CC BY-SA 2.0; Porcupine: Charles J. Sharp, CC BY-SA 4.0; Silver-haired bat: Larisa Bishop-Boros, CC BY-SA 3.0; Townsend's big-eared bat: Dave Bunnell, CC BY-SA 2.5; Bobcat: Elizabeth Kuehn (iNaturalist), CC BY; Long-tailed weasel: benjchristensen (iNaturalist), CC BY 4.0; Northern pocket gopher: public domain; Brewer's sparrow: Chuck Homler, CC BY-SA 4.0; Burrowing owl: Charles J. Sharp, CC BY-SA 4.0; Columbian sharp-tailed grouse: USFWS Mountain-Prairie, public domain; Ferruginous hawk: Andeansolitaire, CC BY-SA 4.0; Greater sage-grouse: USFWS Pacific Southwest Region, public domain; Loggerhead shrike: JeffreyGammon, CC BY 4.0; Prairie falcon: USGS, public domain; Sage thrasher: Becky Matsubara, CC BY 2.0; Sagebrush sparrow: Polinova, CC BY-SA 4.0; Short-eared owl: Sumeet Moghe, CC BY-SA 4.0; Bald eagle: Andy Morffew, CC BY 2.0; Cinnamon teal: Clement Bardot, CC BY-SA 4.0; Common raven: Frank Schulenburg, CC BY-SA 4.0; Dusky grouse: U.S. National Park Service, public domain; Golden eagle: Giles Laurent, CC BY-SA 4.0; Mountain bluebird: Elaine R. Wilson, CC BY-SA 2.5; Peregrine falcon: Mykola Swarnyk, CC BY-SA 3.0; California quail: Charles J. Sharp, CC BY-SA 4.0; Turkey vulture: Charles J. Sharp, CC BY-SA 4.0; Western grebe: Dominic Sherony, CC BY-SA 2.0; Wild turkey: Paul Danese, CC BY-SA 4.0; Western meadowlark: Cephas, CC BY-SA 4.0; Long-billed curlew: Frank Schulenburg, CC BY-SA 4.0; Swainson's hawk: Dick Daniels, CC BY-SA 3.0; Common sharp-tailed snake: Bill Bouton, CC BY-SA 2.0; Desert striped whipsnake: Benjamin Genter, public domain; Northern desert nightsnake: nmoorhatch (iNaturalist), CC BY 4.0; Northern sagebrush lizard: Geographer, CC BY 2.5; Pygmy short-horned lizard: Walter Siegmund, CC BY-SA 3.0; Ring-necked snake: Benjamin Genter, public domain; Side-blotched lizard: Jarek Tuszynski, CC BY-SA 3.0; Western rattlesnake: Connor Long, CC BY-SA 4.0; Western fence lizard: Connor Long, CC BY-SA 4.0; Gopher snake: Kristof & Yulia (iNaturalist), CC BY; Western racer: Jonathan Eisen (iNaturalist), CC BY; Painted turtle: Ben (iNaturalist), CC0; Northern leopard frog: Brian Gratwicke, CC BY 2.0; Tiger salamander: Hectonichus, CC BY-SA 4.0; Woodhouse's toad: author unknown, CC BY-SA 2.5; Columbia spotted frog: USFWS, CC BY 2.0; Great Basin spadefoot: evangrimes (iNaturalist), CC BY; Pacific treefrog: The High Fin Sperm Whale, CC BY-SA 3.0; Columbia River tiger beetle: John Carlson via iNaturalist, CC BY-NC; Monarch butterfly: Derek Ramsey, GFDL 1.2; Dung beetle: corndog (iNaturalist), CC BY-NC; Darkling beetle: RJ Baltierra (iNaturalist), CC BY; Harvester ant: Elin Pierce (iNaturalist), CC0; Mormon cricket: Elin Pierce (iNaturalist), CC0.