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  1. A Caspian tern, Hydroprogne caspia, at Tracy Aviary
  2. A blue-grey tanager and two hepatic tanagers
  3. A blue faced honeyeater, Entomyzon cyanotis griseigularis, at the Plzen Zoo
  4. A black throated magpie jay, Calocitta colliei, at the Houston Zoo
  5. Male greater prairie-chicken (Tympanichus Cupido) on booming ground
  6. Two golden pheasants, Chrysolophus pictus, at Bramble Park Zoo
  7. The tail feathers of a little greenbul bird, Andropadus virens
  8. Some of the 100,000 nesting pairs of King penguins in St. Andrews Bay
  9. Portrait of a light-footed clapper rail, Rallus longirostris levipes
  10. American goldfinches feed on thistle seed from a garden feeder
  11. A vulnerable lesser prairie chicken, Tympanuchus pallidicinctus
  12. A threatened Northern spotted owl in a fresh clear-cut
  13. A sandhill crane, Grus canadensis, preening at the Sutton Avian Research Center
  14. A piping plover, Charadrius melodus
  15. A male peacock displays his feathers and plumage
  16. A captive California condor, Gymnogyps californianus at Phoenix City Zoo
  17. Purple glossy starlings, Lamprotornis purpureus, at the Kansas City Zoo
  18. Endangered African grey parrots, Psittacus erithacus erithacus, at Parrots in Paradise
  19. Close-up of a toucan
  20. Australian finches at the Plzen Zoo
  21. An Indian roller, Coracias benghalensis affinis, at the Santa Barbara Zoo
  22. An Asian barn owl, Tyto alba javanica, at Penang Bird Park
  23. A spotted eagle owl, Bubo africanus, from the Plzen Zoo
  24. A red lory, Eos bornea, at Jurong Bird Park, Singapore
  25. A Montserrat oriole, Icterus oberi, at the Plzen Zoo
  26. A common raven, Corvus corax principalis, at the Los Angeles Zoo
  27. A blossom headed parakeet, Psittacula roseata roseata, at Loro Parque Fundacion
  28. Young grackles, Quiscalus quiscula, in Lincoln, Nebraska
  29. West African black-crowned cranes
  30. Portrait of a peregrine falcon, Falco peregrinus anatum
  31. An egg of a boat-tailed grackle, Quiscalus major, at the Nebraska State Museum
  32. An African golden oriole, Oriolus auratus, at the Columbus Zoo
  33. A threatened northern spotted owl, Strix occidentalis caurina
  34. A red bird-of-paradise, Paradisaea rubra, at the Houston Zoo
  35. A pair of least tern chicks, interior population, Sterna antillarum
  36. A Luzon Bleeding-heart dove, Gallicolumba luzonica
  37. A golden headed quetzal, Pharomachrus auriceps, at the Houston Zoo
  38. A blue-grey tanager, Thraupis episcopus, at the Miller Park Zoo
  39. Two Nene geese, Branta sandvicensis, at Great Plains Zoo, leaning forward
  40. A threatened Northern spotted owl in Siskiyou National Forest
  41. An Attwater's prairie-chicken (Tympanuchus cupido attwateri) in its natural habitat
  42. Australian finches at the Plzen Zoo
  43. Cover of the February, 1992 National Geographic Magazine
  44. Canada geese, Branta canadensis, head toward Long island to feed
  45. A male painted bunting, Passerina ciris, near Christoval, Texas
  46. A King Vulture (Sarcoramphus papa) at the Sedgwick County Zoo
  47. A King Vulture (Sarcoramphus papa) at the Sedgwick County Zoo
  48. Panoramic View of A Chipping Sparrow at Yellowstone National Park