Megalonychidae
Bradypodidae
Choloepidae
Choloepus

2. The most rare of the five species of sloths is only found in Eastern Brazil. What is it?

True Two-toed Sloth or Unau
Hoffman's Two-toed sloth
Maned Sloth
True three-toed sloths or Ai

3. Two-toed sloths have six or seven vertebrae. How many do Three-toed sloths have?

9
8
10
7

4. What enables them to live on relatively little food?

The unique type of leaves they eat
The existence of two stomachs
Their high rate of metabolism
Their low rate of metabolism

5. The two-toed sloth has larger what than the three-toed sloth

Eyes
Nose
Beak
Ears

6. Their ancestor, the Giant Ground Sloth, lived before:

The last ice age
The Mesozoic era
The Paleozoic age
The Cenozoic age

7. In which country are more three-toed sloths found than two-toed ones?

Panama
Argentina
Venezuela
Columbia

8. In their natural habitat, what is the population density of the Three-Toed Sloth?

less than 1 per acre
2-3 per acre
5-6 per acre
more than 20 per acre

9. Which of the following internal organs are in different positions than most other mammals?

Liver
Stomach
Spleen
All of the above

10. There are photos on this web site of two real life sloths in zoos. What are their names?

Angelica and Big Boy
Brenda and Chuck
Carmen and Lucky
Heather and Slothy