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.
Birds breathe faster than mammals and their bodies are warmer.
Only mammals and birds are warm-blooded.
- 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.
- 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.
MORE about 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.