NWF | Ranger Rick Sea Otters - NWF

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Sea Otters

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Question 1

All otters belong to the _____ family.

A	weasel
B	dog
C	dolphin

Question 2

Playful sea otters are sometimes called

A	the jokers of the sea.
B	the clowns of the kelp beds.
C	crab-eating comedians.

Question 3

A male sea otter can weigh as much as

A	40 pounds.
B	75 pounds.
C	90 pounds.

Question 4

Sea otters have hidden pouches located

A	in their cheeks.
B	under their forelegs.
C	on their tummies.

Question 5

Sea otters usually carry _____ in their pouches.

A	flat stones
B	clams
C	family photos

Question 6

A sea otter's natural enemies are

A	sharks, killer whales, and bald eagles.
B	jet skis and scuba divers.
C	manta rays, giant squid, and sperm whales.

Question 7

The hunting of sea otters stopped in 1911 largely because

A	people were tired of sea otter products.
B	sea otters became so ill their fur was in bad condition and no longer valuable.
C	people could not find any more sea otters.

Question 8

When alarmed or frightened, sea otters

A	throw rocks.
B	hold up their paws and hiss.
C	chatter loudly.

Question 9

The scientific name for sea otters, Enhydra lutris, means

A	otter in the water.
B	water elf.
C	keeper of the kelp.

Question 10

Sea otters ______; this keeps them warm.

A	have a thick layer of blubber
B	often stay close together
C	make sure they always have air bubbles in their thick fur

Question 11

A sea otter's fur is thick. It can have _____ hairs per square inch.

A	40,000
B	a million
C	a billion

Question 12

Humans, a few other primates, and sea otters are the only mammals known to use

A	hairbrushes.
B	spoken language.
C	tools.

Question 13

A sea otter "raft" is

A	a group of mothers and pups floating together.
B	any piece of floating wood where a sea otter mother can leave her pup while she hunts.
C	an actual raft that scientists make available to sea otters so they can rest.

Question 14

Sea otters often wrap themselves in kelp while they sleep. They do this because

A	it keeps them warmer.
B	it keeps them from floating away and waking up somewhere else.
C	it hides them from sharks.

Question 15

Sea otters eat _____ of their body weight in food every day.

A	one quarter
B	one half
C	100%

Question 16

A sea otter uses rocks to

A	scare away predators.
B	settle arguments with other sea otters.
C	break open shells.

Question 17

Today, sea otters can only be found off the coasts of Russia, Alaska,and central California.

A	True
B	False

Question 18

Sea otters are closely related to

A	skunks, badgers, and wolverines.
B	minks, ermines, and sables.
C	both A and B.

Question 19

Sea otters are the only marine mammals that eat, sleep, and carry their young while

A	swimming.
B	floating on their backs.
C	diving.

Question 20

Sea otters eat one of the greatest enemies of kelp:

A	sea urchins.
B	starfish.
C	coral.

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