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Vocabulary Crossword: Lesson 4

Across
Birds that have become lost or flown off the normal migration path and end up in locations.
Animals _____________ when they sleep during the winter.
The bone that makes up the bird's wing.
Chemicals in a living creature that regulate behavior. These are believed to tell a bird when to migrate.
Patterns of stars in the sky
A bird's flight path that follows an up and down pattern.
What we call it when the bird's flight muscles pull the wing down.
A device sailors once used to measure the position of the stars in order to navigate.
Down
The ability a bird has to reach its destination without getting lost. (TWO WORDS)
A magnetic substance found in the heads of birds, believed to guide the birds in migration, using the earth's magnetic field.
The length of a day.
Donut shaped heat pockets in the air upon which some birds surf or glide.
The bone attached to the bird's flight muscles.
What we call it when the bird's flight muscles pull the wings up.
Large structures on land that don't move, often used for navigation.
What an animal does when it seasonally leaves a particular region for another and returns during another season, such as a bird's flight south in the winter.