| chicken-like birds: grouse, quails, pheasants, chickens, curassows, guans, chachalacas, guineafowl, and moundbuilders) |
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|
| waterfowl: ducks, geese, swans, screamers |
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| tube-nosed seabirds: petrels, shearwaters, albatrosses, storm-petrels, diving-petrels |
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| herons, egrets, storks, ibises, bitterns |
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|
| waterbirds with totipalmate feet: cormorants, pelicans, anhingas, boobies, gannets, frigatebirds, tropicbirds, hammerkop, shoebill |
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|
| raptors: falcons, caracaras, hawks, eagles, Old World vultures, kites, Osprey, Secretary-bird (really?), and New World vultures |
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|
| diverse terrestrial and marsh birds: rails, coots, sungrebes, cranes, sunbittern, kagu, limpkin, seriemas, bustards, buttonquails, trumpeters, roadelos |
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|
| shorebirds and their relatives: sandpipers, plovers, phlaropes, stilts, jacanas, painted-snipes, pratincoles, gulls and terns, seedsnipes, sheathbills, skimmers, skuas, auks, sandg |
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|
|
| parrots, macaws, lories, cockatoos |
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| turacos and plantain-eaters |
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| cuckoos, anis, roadrunners |
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| nightjars, potoos, frogmouths, oilbird, owlet-frogmouths |
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| swifts, crested swifts, and hummingbirds |
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|
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| kingfishers and allies: todies, motmots, bee-eaters, rollers, Courol, Hoopoe, woodhoopoes, hornbills |
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| woodpeckers and allies: wrynecks, piculets, barbets, toucans, honeyguides, jacamars, puffbirds |
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| perching birds, songbirds, passerines |
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Periodic Table
Planets from the Sun
Digits of Pi
