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BIOL 4142: Ornithology

BIOL 4142: Ornithology. Photos (by Ryan Terrill) of specimens from Lab 1. Names and notes are in the Notes section in Normal View of each slide. To practice, use Slide Show view. Anseriformes: Anatidae.

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BIOL 4142: Ornithology

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  1. BIOL 4142: Ornithology Photos (by Ryan Terrill) of specimens from Lab 1. Names and notes are in the Notes section in Normal View of each slide. To practice, use Slide Show view.

  2. Anseriformes: Anatidae All species have that familiar “duck bill”, although beware the thinner bills of the mergansers.

  3. Gaviiformes: Gaviidae Loons: superficially duck-shaped but (1) bill is pointed, dagger-shaped, and (2) legs are placed differently (at rear of body), for extreme specialization on foot-propelled diving.

  4. Podicipediformes: Podicipedidae Grebes: superficially duck-shaped, but (1) bill shape different, (2) legs placed differently (at rear of body), for extreme specialization on foot-propelled diving, (3) webs on toes differ – each toe has its own web; and (4) virtually no rectrices.

  5. Procellariiformes: Procellariidae Shearwaters: as in all Procellariiformes, note the elevated tubular nostrils. In shearwaters, the openings are paired and adjacent (compare to storm-petrels).

  6. Procellariiformes: Hydrobatidae Storm-petrels: these are among the smallest of marine birds. As in all Procellariiformes, note the elevated tubular nostrils. In storm-petrels, the nostril openings are fused into a single tube (compare to shearwaters).

  7. Pelecaniformes: Pelecanidae You probably knew how to identify these when you were 3 years old but …

  8. Suliformes: Phalacrocoracidae Our species are large, long-bodied blackish birds with strongly hooked bills and bare throat skin.

  9. Suliformes: Fregatidae Superficially like cormorants, but note very long wings, and very long, forked tail; also very short legs.

  10. Suliformes: Anhingidae Superficially like cormorants, but bill pointed, very thin; note corrugated texture of rectrices.

  11. Ciconiiformes: Ciconidae Superficially like giant ibises, but head featherless.

  12. Pelecaniformes*: Ardeidae All have dagger-shaped bills associated with fish-eating, and those of all except the night herons are slender. * placement in Pelecaniformes is a recent finding

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