More Ornithology Practice
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Transcript of More Ornithology Practice
More Ornithology Practice
Numero dos
1/4/10
• Passeriformes; Parulidae; Icteria virens (Yellow-breasted Chat)
• Large size, stout bill, long tail; display flight--hovering with slow, deep-flapping wings and dangling feet; also mimics other birds’ songs.
• Habitat loss from deforestation, which also leads to increased brood parasitism from Brown-headed Cowbirds
A B
• A: Charadriiformes, Jacanidae, Jacana spinosa (Jacana spinosa)
• B: Charadriiformes, Recurvirostridae, Recurvirostra americana (American Avocet)
• C: Gruiformes, Rallidae, Rallus longirostris (Clapper Rail)
• Extreeeeeemely long toes and claws allow it to walk on floating plantsappears to walk on water
• Breeding adult has entire head and neck a darker rusty color. Winter adult has gray head and neck.
• “Saltmarshes and mangrove swamps”
A B C
• Piciformes; Picidae; Colaptes auratus (Northern Flicker)
• Females—no colored stripe on chin area.
• Mainly ants, also other insects. Forages on ground and uses long tongue to catch food.
• Rising and falling, alternating flapping and gliding.
• Passeriformes; Tyrannidae; Tyrannus verticalis (Western Kingbird)
• Pastures on the resulting land = lots of insects!
• In trees or similar manmade things (poles, fence posts)
• Wool, cotton, hair, feathers, cloth
=O
• Both: Passeriformes; A: Icteridae, Dolichonyx oryzivorus (Bobolink); B: Emberizidae, Calamospiza melanocorys (Lark Bunting)
• Only American bird with white on back and black below. Yellowish with brown streaks and stripes on crown.
• Grasslands and meadows
• Colorado
• Attempting to drink from livestock water tanks.
A B
• Passeriformes; Alaudidae; Eremophila alpestris (Horned Lark)
• Walking/running
• Adults usually eat seeds, but feed insects to young
• Open land—colonizes mowed areas around airports
• Passeriformes; Emberizidae; Calcarius lapponicus (Lapland Longspur)
• Black face and chest, yellowy eyestripe
• Arctic tundra!
• Longspur = elongated hind toe
• Passeriformes; Cinclidae; Cinclus mexicanus (American Dipper)
• Low metabolic rate, extra oxygen-carrying capacity in its blood, and a thick coat of feathers (yes, plagiarism =\)
• In swift streams—swims and walks along river bottom
• Domed/ball-like structure with two shells
• Falconiformes!; Acciptridae; Buteo swainsoni (Swainson’s Hawk)
• Western Kingbird, but I meant to ask for family here. Lo siento. Most likely defending its territory from that pesky intruding hawk.
• Older ones kill and eat the younger ones…
• Open grasslands, farmlands, shrublands
A
BB
• Passeriformes; Fringillidae; Coccothraustes vespertinus (Evening Grosbeak)
• Coniferous forests
• Crack open large seeds
• Sunflower seeds