Page 23 - science book 1

These include

frog, crocodile,
crab and turtle.

Frog Crab Crocodile

BIRDS

Birds are animals that can fly. All birds

have two wings, two legs and a beak.

Pigeon, sparrow, owl, crane etc. are
birds. Crane Owl

There are some birds that have

webbed feet.

These birds can swim in water. E.g. :
Swan Duck
duck and swan.

Most of the birds can fly high in the air.

E.g. : kite, eagle, vulture etc.
Vulture
There are some birds which cannot fly.
E.g. : ostrich, penguin, kiwi. Eagle

These are heavy in weight.

These have weak feathers.

One Step Ahead Ostrich Kiwi
One Step Ahead
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One Step AheadOne Step Ahead
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The birds which cannot fly are INSECTS
also called flightless birds.
Insects are small animals. They
have six legs.
They may have two, four or no

wings at all. Such creatures are

called insects .
Butterfly Grasshopper
They can fly with the help of the
wings.

E.g. : butterfly, grasshopper,

Cockroach Honey bee cockroach etc.