Thanks to the Endangered Species Act, sea otters are making a comeback after years of being targeted for their fur. As a keystone species, sea otters prove tha

Thanks to the Endangered Species Act, sea otters are making a comeback after years of being targeted for their fur. As a keystone species, sea otters prove that when we protect wildlife, we help whole ecosystems. Join us in defending the ESA: [📷](https://pbs.twimg.com…