Flight
The most important flight muscles for a bird
What are the pectorals?
the built in knowledge birds possess from birth to know about nests, songs, and flying
What are instincts?
the center of the egg, which is simply a large egg cell produced by the mother's ovary
What is the egg yolk?
these are strong feathers found on body, wings, and tail
What are contour feathers?
the name for sharp claws on a grasping foot
What are talons?
Bones of birds are hollow containing these reinforcements for strength.
What are struts?
landing in dust or dirt to rid oneself of parasites
What is dusting?
the inner portion of the egg, also known as the egg white
What is albumen?
these feathers are soft and fluffy providing insulation
What are down feathers?
the type of foot designed for life in water
What is swimming feet?
(also accept webbed or wading feet)
What is powered flight?
flocks of small birds harass a larger bird that has entered their territory
What is mobbing?
the yolk body is held in place by two twisted chords
What are the chelazae?
three parts of a feather are the barbs, barbules, and the _____
What is the shaft?
song birds have this type of foot with 3 toes forward and one hind toe
What is a perching foot?
This type of flight allows a bird to glide to gain altitude
What is soaring?
the regular yearly movement of birds from one habitat to another
What is migration?
nests are primarily built for a safe place for eggs and the act of keeping them warm. This is known as
What is incubation?
birds do this in order to keep their feathers in good condition for flying
What is preen?
bird bills are designed different for each type based upon this activity
What is eating?
to save energy, some birds use this flight mechanism of alternating flapping and gliding
What is intermittent flight?
the regular route a bird travels year after year
What is a flyway?
Parents lose feathers on their underside to transfer heat to the eggs through bare skin. This is known as...
What is a brood patch?
replacing old, broken, or missing feathers as new ones grow in
What is molting?
this type of foot has 3 toes pointing forward and one very small toe pointing backward
what is the running foot?