Paul Rudd (left) and a shot of a mimic octopus featured in National Geographic's Secrets of the Octopus (right) Actor Paul Rudd knows what it takes to transform into another person for a role, and ...

Different animal species have evolved a number of ways to hide in their environments. One of the most popular tactics is by camouflage, often by matching the background or by having patterns that ...

This wildlife feature examines the mimic octopus, a species known for imitating other marine animals to avoid danger. Rather than relying on camouflage alone, it alters its shape, movement, and ...

These are the weird reasons octopuses change shape and color These are the weird reasons octopuses change shape and color ...

Rudd serves as the narrator for National Geographic's upcoming docuseries "Secrets of the Octopus" Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has ...