Marine Birds

Dinosaurs went extinct approximately 70 mya

Birds decended from __________ dinosaurs.

Which of these characteristics did Dinosauria share with modern birds?

__________ is the only known dinosaur to have asymmetrical flight feathers, which are necessary for powered flight

Archeaopteryx is considered the transitional fossil between primitive reptiles and birds

The earliest feathers were probably cartilaginous bristles

The evolution of birds was characterized by...

Check all that apply to modern Aves

Check the common navigation cues for avian migration.

[blank_start]Zugdisposition[blank_end]: premigratory fattening [blank_start]Zugstimmung[blank_end]: migratory mood -- undertakes and maintains migratory flight [blank_start]Zugunruhe[blank_end]: migratory restlessness (captive birds)

Monogamy is common in birds, and couples may synchonize internal rhythms to time their migration together.

Most marine birds breed in [blank_start]dense[blank_end] colonies.

Which of these are adaptations of marine birds?

Check all that apply to Order Sphenisciformes

Check all that apply to Order Pelecaniformes

Check all that applies to Palatalea ajaja

Check all that apply to Order Phaethoniformes

Check all that apply to Suliformes

Check all that apply to Order procellariiformes

Check all that apply to Order Anseriformes

Check all that apply to Order Charadriiformes

Order Phoenicopteriformes

Label the simplified phylogeny of Avialae