Next to mammals, birds are the most useful to man.
There are thousands of different kinds of birds.
They vary in size from the tiny hummingbird to the large ostrich.
- A bird is an animal with feathers.
- Birds have two legs and two wings.
- Birds have a beak or a bill.
- They lay eggs. The young hatch from the eggs.
- They are warm-blooded.
Birds breathe faster than mammals and their bodies are warmer.
Only mammals and birds are warm-blooded.
Remember:- Bats have wings, but they are not birds.
- A turtle lays eggs, but it is not a bird.
- The ostrich, emu and penguin are birds but they do not fly.
- Birds give us meat and eggs. (chicken, turkey, duck, goose)
- Some birds make good pets. (parrot, canary, pigeon, cockatoo)
- Some birds eat harmful insects.
- Birds of Prey eat mice, rats, voles and other animals
that destroy farmers' crops.
- Birds have hollow bones filled with air.
- There are birds that migrate. They fly south in
the fall to escape the cold winters. Then they fly
north in the spring to their nesting grounds.
GROUPING BIRDS
- Birds can be grouped by where they live - land birds, water birds,
Arctic birds, tropical birds.
- Birds can be grouped by what they eat - birds that eat insects,
birds that eat fruits and seeds, birds that eat meat and fish.
- Birds can also be grouped according to the shape of their
feet, beaks or wings.
MORE about BIRDS
next INSECTS
back ANIMALS
|