Science 4

1. THE LIFE
CYCLE OF
BIRDS

2. THE LIFE CYCLE OF BIRDS
•Birds are animals
that are covered
with feathers and
have wings.

3. THE LIFE CYCLE OF BIRDS

5. THE LIFE CYCLE OF BIRDS
•The female
bird lays egg
one at a time
on the nest.

6. THE LIFE CYCLE OF BIRDS
•Then she sits on
the nest to
incubate or keep
the eggs warm
until they hatch.

7. THE LIFE CYCLE OF BIRDS
•Then she sits on
the nest to
incubate or keep
the eggs warm
until they hatch.

8. THE LIFE CYCLE OF BIRDS
•The baby bird
inside the egg
uses it beak to
break the egg
shell.

9. THE LIFE CYCLE OF BIRDS
•The baby bird
inside the egg
uses it beak to
break the egg
shell.

10. THE LIFE CYCLE OF BIRDS
•A baby bird that
is hatched is
called a
hatching.

11. THE LIFE CYCLE OF BIRDS
• When the bird stays
on the nest and is
completely dependent
on its parents, it
called nestling.

12. THE LIFE CYCLE OF BIRDS
•Most Nestlings
are naked and
blind. They are
still being fed by
their parents.

13. THE LIFE CYCLE OF BIRDS
•After a weeks,
the feathers
start to develop
and the babies
the nest.

14. THE LIFE CYCLE OF BIRDS
•They are now called
fledglings. The parents
provide less food to
teach the fieldlings to
look for food.

15. THE LIFE CYCLE OF BIRDS
•Their flight
feathers continue
to develop and
their muscle
become stronger.

16. THE LIFE CYCLE OF BIRDS
•An adult bird
attracts a mate,
raises a young,
and repeats the
life cycle.