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  1. A partially albino red-tailed hawk, at the Minnesota Zoo
  2. A jogger in silhouette runs on the surf line of the beach
  3. A common raven, Corvus corax corax, at Lisbon Zoo in Portugal
  4. An endangered hyacinth macaw, Anodorhynchus hyacinthinus, at the Fort Worth Zoo
  5. A Swainson's lorikeet
  6. Florida Blue Garter Snake, Thamnophis Sirtalis Sirtalis, At The Exmoor Zoo
  7. A portrait of a golden doodle mix breed dog
  8. Red eyed tree frog, Agalychnis callidryas
  9. A Six-Day-Old Malayan Tapir, Minnesota Zoo
  10. A critically endangered Clay's hibiscus, Hibiscus clayi
  11. Rio Abiseo morph of the Pepperi poison dart frog, Ameerega pepperi
  12. A sandhill crane, Grus canadensis, preening at the Sutton Avian Research Center
  13. A chiloe wigeon, at the Cincinnati Zoo
  14. A Luzon Bleeding-heart dove, Gallicolumba luzonica
  15. An Indian peafowl, at the Lincoln Children's Zoo
  16. A close-up of berries during winter, Lincoln, Nebraska
  17. Endangered peninsula pronghorn antelopes at the Los Angeles Zoo
  18. Sioux Falls, South Dakota. A porcupine, Erethizon dorsatum, at the Great Plains Zoo
  19. An endangered Sumatran tiger, at the Miller Park Zoo
  20. Steller Sea lions take to the waters of the Gulf of Alaska amid foam and spray
  21. A pair of South Georgia king penguins at the Indianapolis Zoo
  22. An aye aye, Daubentonia madagascariensis, at Duke Lemur Center
  23. Dark eyed fruit fly at the Urban Entomology Lab at the University of Florida
  24. An eastern cottontail rabbit, Sylvilagus floridanus
  25. A greenbottle blue tarantula, at the Lincoln Children's Zoo
  26. Mystic Seaport, Connecticut
  27. Portrait of a Major Mitchell's Cockatoo, Lophochroa leadbeateri
  28. A federally endangered woodland caribou, Rangifer tarandus caribou
  29. An Indian peafowl, at the Lincoln Children's Zoo
  30. A captive great horned owl at a recovery center. Property released
  31. A three-week old giraffe with the mother at the Auckland Zoo
  32. Cheyenne Mountain Zoo, Colorado Springs, Colorado
  33. A piping plover, Charadrius melodus
  34. Bison graze on the prairie at Twin Pine Ranch
  35. A Bull Elk With His Antlers In Velvet At The Oklahoma City Zoo
  36. An Endangered Peruvian Woolly Monkey At Cetas-IBAMA, Manaus, Brazil
  37. A red eyed tree frog (Agalychnis callidryas) at the Sunset Zoo
  38. A red rock crab, Grapsus grapsus, in Galapagos National Park
  39. A federally endangered blowout penstemons, Penstemon haydenii
  40. An endangered Malayan tiger
  41. An Endangered Baby Bornean Orangutan With Her Adoptive Mother At The Houston Zoo
  42. Madeira Cockroach, Rhyparobia Maderae, At The Budapest Zoo
  43. Sandhill Cranes (Grus Canadensis) By The Hundreds Fly Across The Sky
  44. A vulnerable adult female white bellied pangolin with her baby, at Pangolin Conservation
  45. A silver maple leaf
  46. A yellow bellied marmot, Marmota flaviventris, from a private collection
  47. An American white ibis, at the Caldwell Zoo
  48. Two Critically Endangered Hawksbill Sea Turtles, Dubai Turtle Rehabilitation Project