To see an animal mother nurturing her young is to witness an act of pure, wholesome sweetness. Just look at Tilly, a North American River otter at the Toledo Zoo, as she cares for her pups by teaching ...

The playful North American river otter is equally at home in the water and on land. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems.