ANG
Signal
Words
Purposes
Types
Tests
On the river banks of the Nile
River, home to some crocodiles.
there are many kinds of birds,
sometimes called crocodile birds
because they always
hopping around crocodiles. The
big crocodiles and the birds are
useful to each other for several
reasons. The birds eat flies and
leeches that they find on the
crocodiles skin and mouths. In
this way, the birds get a good
meal and the crododiles get rid
of the leeches and flies.
Sometimes an enemy frightens
the birds who scream and fly
away. As a result of the noise.
the birds give the crocodiles a
warning of danger.

4
In most parts of the world there
are not as many crocodiles as
there used to be. This is a
problem because crocodiles are
becoming endangered and also
crocodiles are necesssary to the
balance
nature. Many
crocodiles have died because
people dried up the swamps and
marshes where the crocodiles
live. Poachers have also
contributed to the dilemma as
crocodiles have been desired for
their strong, smooth, leathery
skins. In order to preserve these
mighty creatures, people must
take
crocodiles
environment and help put a stop
to the needless shooting of these
animals.
care
of
​