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  1. A crimson-fronted parakeet (Psittacara finschi) at the Nispero Zoo
  2. A common swift, Apus apus, from the Budapest Zoo
  3. A Colombian green jay or Inca jay, Cyanocorax yncas, at Parque Jaime Duque
  4. A Caspian tern, Hydroprogne caspia, at Tracy Aviary
  5. A blue-grey tanager and two hepatic tanagers
  6. A blue faced honeyeater, Entomyzon cyanotis griseigularis, at the Plzen Zoo
  7. A black throated magpie jay, Calocitta colliei, at the Houston Zoo
  8. Male greater prairie-chicken (Tympanichus Cupido) on booming ground
  9. Two golden pheasants, Chrysolophus pictus, at Bramble Park Zoo
  10. The tail feathers of a little greenbul bird, Andropadus virens
  11. Some of the 100,000 nesting pairs of King penguins in St. Andrews Bay
  12. Portrait of a light-footed clapper rail, Rallus longirostris levipes
  13. American goldfinches feed on thistle seed from a garden feeder
  14. A vulnerable lesser prairie chicken, Tympanuchus pallidicinctus
  15. A threatened Northern spotted owl in a fresh clear-cut
  16. A sandhill crane, Grus canadensis, preening at the Sutton Avian Research Center
  17. A piping plover, Charadrius melodus
  18. A male peacock displays his feathers and plumage
  19. A captive California condor, Gymnogyps californianus at Phoenix City Zoo
  20. Purple glossy starlings, Lamprotornis purpureus, at the Kansas City Zoo
  21. Endangered African grey parrots, Psittacus erithacus erithacus, at Parrots in Paradise
  22. Close-up of a toucan
  23. Australian finches at the Plzen Zoo
  24. An Indian roller, Coracias benghalensis affinis, at the Santa Barbara Zoo
  25. An Asian barn owl, Tyto alba javanica, at Penang Bird Park
  26. A spotted eagle owl, Bubo africanus, from the Plzen Zoo
  27. A red lory, Eos bornea, at Jurong Bird Park, Singapore
  28. A Montserrat oriole, Icterus oberi, at the Plzen Zoo
  29. A common raven, Corvus corax principalis, at the Los Angeles Zoo
  30. A blossom headed parakeet, Psittacula roseata roseata, at Loro Parque Fundacion
  31. Young grackles, Quiscalus quiscula, in Lincoln, Nebraska
  32. West African black-crowned cranes
  33. Red knot sandpipers, Calidris canutus rufa
  34. Portrait of a peregrine falcon, Falco peregrinus anatum
  35. An egg of a boat-tailed grackle, Quiscalus major, at the Nebraska State Museum
  36. An African golden oriole, Oriolus auratus, at the Columbus Zoo
  37. A threatened northern spotted owl, Strix occidentalis caurina
  38. A red bird-of-paradise, Paradisaea rubra, at the Houston Zoo
  39. A pair of least tern chicks, interior population, Sterna antillarum
  40. A Luzon Bleeding-heart dove, Gallicolumba luzonica
  41. A golden headed quetzal, Pharomachrus auriceps, at the Houston Zoo
  42. A blue-grey tanager, Thraupis episcopus, at the Miller Park Zoo
  43. Two Nene geese, Branta sandvicensis, at Great Plains Zoo, leaning forward
  44. A threatened Northern spotted owl in Siskiyou National Forest
  45. An Attwater's prairie-chicken (Tympanuchus cupido attwateri) in its natural habitat
  46. Australian finches at the Plzen Zoo
  47. A male painted bunting, Passerina ciris, near Christoval, Texas
  48. A King Vulture (Sarcoramphus papa) at the Sedgwick County Zoo