2. What is the current estimated world-wide population of humpbacks?
4,000 to 7,000
12,000 to 15,000
20,000 to 23,000
97,000 to 100,000

3. What was the estimated world-wide population of humpbacks before hunting?
50,000
100,000
150,000
500,000

4. What is the average weight of an adult humpback?
10 to 15 tons
15 to 20 tons
25 to 30 tons
35 to 40 tons

5. How long is a humpback at birth?
3 feet
9 feet
15 feet
20 feet

6. How many blowholes does a humpback have?
One
Two
Three
Four

7. True or False: The average humpback needs about one ton of food per day.
True
False

8. True or False: Humpbacks do not eat at all during the winter at their mating and calving grounds.
True
False

9. Do humpbacks have teeth?
Yes
No

10. What is the behavior called when a humpback is resting on the surface?
Logging
Napping
Resting
Sleeping

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Correct answers: