1The Eurasian otter is an endangered species due to habitat loss and pollution.
2Otters are known for their playful nature and have been observed sliding down riverbanks for fun.
3In some parts of the world, otters are considered a delicacy and are hunted for their fur and meat.
4The sea otter is a keystone species in kelp forests, preying on sea urchins that might otherwise overgraze the kelp.
5Conservation efforts are underway to protect otter populations and restore their habitats in Europe and North America.