Which of these is a small rodent found in the alpine regions of Europe, Asia and North America?
What is a large semi-aquatic rodent native to Canada, much of the United States, and parts of northern Mexico that constructs homes out of sticks, twigs, and mud in lakes or streams?
Which of these is a burrowing insectivorous animal with small eyes and close fur?
D. Daddy Long Legs
Which of these aquatic animals is a mammal ?
[C] River Dolphin