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Dina told me that the humpback whales
are incredibly intelligent and the more she learns about them the
more they remind her of us (humans). Their family structure and
social behavior is much like ours, and she believes that once people
can understand them, they will work harder to save them.
Sitting in a tiny inflatable 6 person boat, also
called a Zodiac, while looking for a 40 ton whale is a mind-blowing
experience. I couldn't help but think what would happen if the whale
decided to surface from under our boat. Dina explained that humpbacks
do not use sonar to detect objects in the water like orcas do, therefore,
it is sometimes difficult for a humpback to be able to sense your
presence.
Dina told me this after we had just spotted one
only 40 feet away from us! When she saw my concerned look she explained
that this is why she is lightly tapping the side of the boat. Sound
travels very far in water and only a slight tap was enough to warn
the whale of our presence. Although I was feeling brave, I couldn't
stop myself from gently tapping every now and then when the whales
got close!
Dina explained all sorts of interesting facts to
me. For example, humpbacks are about 40 feet long, weigh 40 tons
and live about 40 years. The humpbacks come to Glacier Bay each
year from Hawaii and Mexico.
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