Add Yahoo as a preferred source to see more of our stories on Google. Image via Shutterstock/Neil Aronson (Image via Shutterstock/Neil Aronson) Did you know that sea otters have favorite rocks ...

Interspecies friendships between humans and wild animals aren't common, to say the least. Wild animals tend to be understandably wary of us, and vice versa. On top of that, there are a lot of state ...

Sea otters are often portrayed as lovable and relaxed animals that spend their time goofing around. Or, simply floating on their backs in the water with their special rock. While this image is ...

So, to capture this incredible behaviour, filmmakers and scientists teamed up to create a robotic ‘Spy Sea Otter’ camera for ...