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Published byGwendoline Blanche Bryan Modified over 8 years ago
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This module covers the following three orders: PHAETHONTIFORMES — Tropicbirds CICONIIFORMES — Storks ACCIPITRIFORMES — Diurnal birds of prey but not falcons
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Foot Morphology (P & L 72-73) Anisodactyl Zygodactyl Heterodactyl Syndactyl Pamprodactyl toe 4 is rotated to rear toe 2 is rotated to rear toes 2 & 3 partially fused basic plan toes 1 and 4 can both rotate back
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Foot Morphology (P & L 72-73) Palmate Totipalmate Semipalmate Lobate Raptorial
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Range: tropical oceans Morphology/ecology: all three species have very long tail streamers Behavior: monogamous, biparental care; pelagic birds that eat fish Taxonomic notes: A new order that used to be a family Pelicaniformes. Important families: *Phaethontidae: tropicbirds * ORDER PHAETHONTIFORMES — Tropicbirds—1 family; 3 species
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Red-tailed tropicbird Photo E.J. Peiker
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red-billed tropicbird Photo E.J. Peiker
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STORKS Maribou Stork, Kenya
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Range: worldwide Morphology/ecology: long-necked, long-legged wading birds; feet not fully webbed Behavior: monogamous, biparental care; altricial young; many are colonial breeders Other notes: Maribou stork of Africa acts like a vulture Taxonomic notes: herons ibis & relatives were removed from this order and placed in Pelicaniformes. Important families: *Ciconiidae: storks *ORDER CICONIIFORMES — Storks— 1 family; 12 species
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Yellow-billed Stork, Kenya Family Ciconiidae: storks
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Saddle-billed Stork, Africa
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Range: worldwide Morphology/ecology: predators and scavengers with strongly hooked beaks; fleshy cere at base of bill; legs & feet stout, strong, with strongly curved claws (= raptorial feet); females substantially larger than males in predator species Behavior: most nest in trees or cliffs; monogamous with biparental care; chicks semi-precocial. Taxonomic notes: New World vultures and Old World vultures are not closely related but an example of convergent evolution Important families: *Pandoniodae: osprey; has spiny feet for catching fish *Accipitridae: eagles, hawks, Old World vultures, kites, harriers *Cathartidae: New World vultures *ORDER ACCIPITRIFORMES — Diurnal birds of prey — 4 families; 240 species
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fleshy cere at base of bill; strong stout legs with strongly curved claws chicks semi-precocial females larger than males in predator species
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Family Pandionidae: osprey photo Miguel Lasa
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Bald Eagle. B.C. Family Accipitridae: eagles, hawks, old world vultures, kites, harriers
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Bald Eagle nest, British Columbia
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Cooper’s Hawk
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Snail Kite, Argentina Eats very large snails
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White-backed Vulture (an Old World Vulture) Kenya
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Family Cathartidae: New World vultures California Condor all from web
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King Vulture from web
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Convergent Evolution Old World Vulture New World Vulture (condor)
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