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  1. A Six-Day-Old Malayan Tapir, Minnesota Zoo
  2. Florida Blue Garter Snake, Thamnophis Sirtalis Sirtalis, At The Exmoor Zoo
  3. Close up of an American columbine, Aquilegia canadensis
  4. An endangered hyacinth macaw, Anodorhynchus hyacinthinus, at the Fort Worth Zoo
  5. Red eyed tree frog, Agalychnis callidryas
  6. A Luzon Bleeding-heart dove, Gallicolumba luzonica
  7. A Swainson's lorikeet
  8. Rio Abiseo morph of the Pepperi poison dart frog, Ameerega pepperi
  9. A critically endangered Clay's hibiscus, Hibiscus clayi
  10. A chiloe wigeon, at the Cincinnati Zoo
  11. A sandhill crane, Grus canadensis, preening at the Sutton Avian Research Center
  12. A close-up of berries during winter, Lincoln, Nebraska
  13. An endangered Sumatran tiger, at the Miller Park Zoo
  14. A piping plover, Charadrius melodus
  15. Endangered peninsula pronghorn antelopes at the Los Angeles Zoo
  16. Sioux Falls, South Dakota. A porcupine, Erethizon dorsatum, at the Great Plains Zoo
  17. An aye aye, Daubentonia madagascariensis, at Duke Lemur Center
  18. A pair of South Georgia king penguins at the Indianapolis Zoo
  19. Steller Sea lions take to the waters of the Gulf of Alaska amid foam and spray
  20. An eastern cottontail rabbit, Sylvilagus floridanus
  21. Dark eyed fruit fly at the Urban Entomology Lab at the University of Florida
  22. A superb lyrebird, Menura novaehollandiae, at Healesville Sanctuary
  23. Herd Of Bighorn Sheep Grazing In A Mountain Valley, Augusta, Montana
  24. Mystic Seaport, Connecticut
  25. An Indian peafowl, at the Lincoln Children's Zoo
  26. A captive great horned owl at a recovery center. Property released
  27. A federally endangered woodland caribou, Rangifer tarandus caribou
  28. Portrait of a Major Mitchell's Cockatoo, Lophochroa leadbeateri
  29. An Endangered Peruvian Woolly Monkey At Cetas-IBAMA, Manaus, Brazil
  30. A three-week old giraffe with the mother at the Auckland Zoo
  31. A silver maple leaf
  32. Cheyenne Mountain Zoo, Colorado Springs, Colorado
  33. A Bull Elk With His Antlers In Velvet At The Oklahoma City Zoo
  34. A greenbottle blue tarantula, at the Lincoln Children's Zoo
  35. A vulnerable adult female white bellied pangolin with her baby, at Pangolin Conservation
  36. An endangered Malayan tiger
  37. Madeira Cockroach, Rhyparobia Maderae, At The Budapest Zoo
  38. Sandhill Cranes (Grus Canadensis) By The Hundreds Fly Across The Sky
  39. Two Critically Endangered Hawksbill Sea Turtles, Dubai Turtle Rehabilitation Project
  40. A male Malay peacock pheasant, Polyplectron malacense, at Pheasant Heaven
  41. A yellow bellied marmot, Marmota flaviventris, from a private collection
  42. A red rock crab, Grapsus grapsus, in Galapagos National Park
  43. Red knot sandpipers, Calidris canutus rufa
  44. An Endangered Baby Bornean Orangutan With Her Adoptive Mother At The Houston Zoo
  45. An American white ibis, at the Caldwell Zoo
  46. A Federally Endangered Clouded Leopard At The Houston Zoo
  47. An insect feeds on yellow correopsis flowers
  48. A bald eagle, Haliaeetus leucocephalus, at the George M. Sutton Avian Research Center