Flying Creatures Chapter 6

the developing chick inside an egg

ropey strands that anchor the yolk

when a male bird tries to win a female mate

when other birds assist the parents in raising their young

when birds are born completely dependent on their parents

an egg that does not contain an embryo

the outside of an egg shell

yellow center of an egg, which is food for the embryo

when 2 birds come together to produce chicks

small pocket of air between inner and outer shell membranes

tiny circle on the yolk that first makes up the embryo in an egg

birds born with feathers, eye sight, and the ability to move around

sharp notch on a chick's beak that helps it break out of the shell

a parent bird sitting on eggs to keep them warm

a parent bird sitting on newly hatched chicks to keep them warm

a patch of exposed skin on the underside of a bird, which is used to keep the eggs warm

chicks that can see and move around in their nest

chicks that begin practicing flying