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Directions: At least 26 different kinds of dolphins live in the
world's oceans and-in some cases-rivers. Find out more about these
highly intelligent animals below. Click on the links to find each
answer. Write your answers on a separate sheet of paper, or the
reproducible provided by your teacher.
This page includes links outside of Scholastic.com
Name: ___________________________________________
1. Did you know that dolphins and whales are
close cousins? Both belong to a group of mammals called _____________,
from a Greek word meaning “whale.” In fact, dolphins are toothed
whales.
2. Porpoises are also related to dolphins,
but they are very different animals. You can tell them apart because
dolphins have a prominent ________ and a curved or hooked ________________________.
3. Dolphins, like other mammals, need air to
survive. Instead of a nose, they use a blowhole located __________________________________.
This lets them take breaths quickly and easily while they swim.
4. The famous killer whale, or orca,
is actually a dolphin, the biggest dolphin in the world. Its babies
are about ____________ feet long at birth. That’s bigger than most
other kinds of adult dolphins!
5. The most recognizable type of dolphin in
the world is the gray bottlenose, which gets its name from
its __________________________.
6. Bottlenose dolphins live in groups called
pods. They are social animals who love to “talk” to one another!
How? _______________________________________________
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7. A dolphin has a special way of navigating.
It uses an organ called the ___________ to send out high-pitched
clicks, then “hears” the sounds bouncing back.
8. Dolphins are very active animals and fast
swimmers, so they need a lot of energy. In a single day, most dolphins
eat 13 to 33 pounds of ______________________, while orcas eat as
much as 100 pounds!
9. Dolphins are sometimes called “ambassadors
of the sea.” Why do you think they are so popular with humans?
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