What cheeky little critters! These tiny otters look minuscule in comparison to their 100-pound capybara friend (and their canine pal), but they couldn't have bigger personalities. The way they laughed ...

Sea otter mamas are parenting on hard mode. They give birth in the water, to blind, helpless infants who have to be carried around on their bellies for weeks, nursing them while holding them on their ...

Along a remote stretch of the Alaskan coast, gray wolves have quietly rewritten the rules of what a top land predator eats.