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special cells in their eyes are sensitive to
dim light. The vision of barred owls, for
example, is 100 times keener than that
of human beings. Thanks to this
feature, owls can see and hunt
very well at night.
The eyes of water fowl, on the
other hand, have been created for clear
underwater vision. While we can't keep our eyes open
underwater for even 45 seconds, water birds can easily catch insects
and molluscs in water as they plunge their heads into it. Since this is
the only way for them to feed themselves, they must have clear vision
underwater. For this reason, Allah has created a special structure in
their eyes, which permits seeing underwater. Thanks to this structure,
these birds don't have dim sight underwater; they see very clearly and
can immediately swim towards their prey.
Hearing is also very important for birds. Some birds have eardrums
that enable them to hear very low sounds. Being able to see very well
in darkness and underwater and being able to hear very low sounds
are abilities that human beings don't possess. Indeed, we don't need
these faculties very much, because, we can readily lead our lives
without them. However, it is impossible for birds to eat, feed their
young, and continue their lives and
their race without these abilities.
The ears of owls are very sensitive
to sound. They have better hearing
than human beings. There are hair-