Seals and sea otters
Last time we talked about the whales, and how some of them turn out to be rather clever. The whales and dolphins aren’t the only mammals who have returned to the sea. We’ve also got things like seals and sea otters. Some of them are rather clever as well. In fact the sea otter is a tool user. Does going back to the ocean make a species smarter?
Here’s an article about marine mammal intelligence in general.
Here’s a fossil of a seal, before they were seals.
Here’s an article about seals and their memory.
Here’s a blog post about the large and dangerous leopard seal.
And, more or less for fun, here’s a video of a sea otter playing basketball.