Bird Anatomy
What is the storage sac that is used to moisten food?
What is the crop
True or false- some birds can perch upside down
what is true
What is flying in place?
What is hovering
Flyways are...
what are the paths that birds take on migrations
the outer protective layer of an egg
what is the shell
Avian bones are ________ and have ______ to make them lightweight and strong.
what is hollow and struts
Birds of prey are also called
what are raptors
The type of flying that involves continuous flapping of wings
What is powered flight
Bird molt for what 2 reasons
what are to replace damaged feathers and to change colors for the seasons to stay camouflaged
the egg white is also called the
what is albumen
Why do birds digest food quickly?
what is mobbing
This is the type of flight that is typically down hill with no flapping
what is gliding
birds will do this to distract a predator away from a ground nest
what is rodent running
the mature egg cell of an egg is called the
what is the yolk body
This gland is at the base of the tail and produces oil to clean and waterproof feathers
what is the preen gland
What type of birds have webbed feet?
what is water birds
The type of flight that causes a bird to go up with they catch a thermal without flapping
what is soaring
The cardiovascular system and the respiratory system have to function at a high level because…
what is... Flight requires a heavy cardio load and the altitude causes the air to be thinner so the respiratory system has to work harder
what is the membrane that surrounds the insides of the egg
what is the shell membrane
What are monocular and binocular vision?
What is monocular can see almost 360 degrees and binocular have a more limited field but can focus on an object even at a great distance
What type of birds include penguins and ostriches.
What are flightless birds
What are the 4 forces that act on flight and what do they do
what are lift (pushes a bird up), thrust ( moves a bird forward), drag (wind resistance), and weight (pushes down)
Birds are characterized by what 6 things...
Eggs have to be _________ to ensure healthy hatchlings
what is incubation