Bats

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and from it comes the thumb and the four longer fingers. The thumb is
short and used for climbing or walking. The fingers are long and thin.
Interlocking the fingers is the wing. This set up of having the fingers in the
wing gives the bat amazing flight maneuverability (Honders 22). These bones
look similar to a human hand. They are connected by rubbery skin to the bat's
body enveloping all the fingers but the thumb (Bats in CT 1).
Echolocation

Bats have a "sixth sense" called echolocation. This was first proved by
Donald Griffin. Bats produce ultrasonic sound waves and then use the echo of
the returning sound to sense the world around them and in particularly to catch
insects. These sounds are usually out of the humans range of hearing (Fellman
42). This system is similar to that of dolphins. The sound is in the form of
clicks that increase as the bat gets closer to the insect or whatever it is
tracking (Bats in CT).
Unlike humans most insects can hear the bat's ...

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have developed. Some large
bats, called megabats, are even thought by some scientists to be closely related
to primates because of their similar brain tissue. Bats are highly evolved
animals that have amazing characteristics.
(Gibbons 1992, Bailey et al. 1992)

HIBERNATION AND MIGRATION

The food of bat usually becomes scarce during winter months so some bats
hibernate while others migrate (Honders 75, Bourliere 95). When bats migrate
they usually move from the south to far north during the summer and they return
during the fall. Bats that hibernate prepare for the winter by getting fat in
autumn. Then they fall into a sleep more extreme than their normal daily sleep.
As in ...

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