Page 38 - Wonderful Creatures: Children! Have You Ever Thought ?

WONDERFUL CREATURES

LITTLE

ENGINEERING

BIRDS

You certainly must have seen birds’ nests built on trees
or on tops of buildings, and sometimes on a corner of

a balcony. These are merely the nests of the few bird

species that you know. But so many bird species live in
the world and they build so many different types of
nests that one should really reflect on this.

All birds build their nests so that they blend in with
their natural environments. Let us consider coastal

birds. These birds build their nests on the surface of
the water and the nest does not sink. The materials

used and the shape of the nest are all particularly crea-
ted. So, even if the water level rises, neither the nest

nor the offspring are damaged. These animals have
innate capabilities to build their nests and have no need

of training. They could not have possibly learnt such
a task over time; if they had tried to do it by

trial and error, the nest would have sunk
as the water rose. However such a

thing never happens
because all coastal

birds have built their

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