I’m going to ruin sea otters for you. Or at least I’m going to tarnish their reputation as some of the most charming little beasties in the seas. For as cute as they are while intertwining paws at an aquarium, frolicking among the wafting fronds of California kelp forests, or smashing sea urchins open with stones, some sea otters have developed the disturbing habit of humping and drowning baby seals.

http://www.slate.com/blogs/wild_things/2013/10/28/sea_otter_dolphin_and_penguin_behavior_your_favorite_animals_are_jerks.html