ANIMAL GROUPS

penguin

BIRDS



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




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J.Giannetta
1999, updated 2011

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