Mysterious creatures likely use skin color changes for interaction with other squid as well as for camouflage.
Chimpanzee calls are much more sophisticated than previously thought -- they describe preferred food and the trees they grow on.
A dog rolling over on its back may not mean what we think it means.
The newest dinosaur movie has lots of sounds coming out of its creatures, but how could its makers know what they sounded like?
They're directional poopers and have been getting into mischief for thousands of years -- just some of the things we learned about dogs in 2014.
In a pinch, oyster shells function as speakers for an industrious, communicative fish.
Dogs might not understand everything we say, but new research shows that they are doing their best to figure us out.
Compared to other otters, giant otters may be the most socially, vocally complex.
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