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Animal Behavior Articles

Menopausal Moms: A Mammal Mystery

An adult and juvenile killer whale frolic in the water.

May 2011

Humpback Whales in Antarctica: What Are the Whales Doing?

A humpback whale breaching in Antarctic waters.

February 2013

Seeing with Sound: Acoustic monitoring of beaked whales

A beaked whale at the ocean's surface

November 2017

Here Comes Santa Claws

Hundreds of illustrated red crabs gathering on sand with Santa hats.

December 2016

A World Adrift: Life in the Sargassum

Relatively slow moving, juvenile plane-head filefish Monacanthus hispidus (Monacanthidae) travel along with the algae. They pick off and eat small animals as they move around in the rotating sargassum ball. Adult filefish only grow to be about 11

May 2012

Listening for Clues About Sonar’s Effects on Marine Mammals

Three Killer whales (Orca) swim along side researchers.

January 2011

How Octopuses and Squids Change Color

A blue-ringed octopus

October 2013

Screenshot from the "Masters of Disguise" video showing a spotted octopus on the seafloor.

Video

Masters of Disguise

Scientists Use Bioacoustics to Protect Marine Mammals

Phoenix swimming with her calf.

September 2011

A screenshot from the video showing a bioluminescent seastar.

Video

The Weird, Wonderful World of Bioluminescence

The Great Hermit Crab Migration

A Caribbean hermit crab (Coenobita clypeatus) crawls on the forest floor.

September 2012

The Design of a Beautiful Weapon

This male dancing fiddler crab (Uca terpsichores) has built a sand “hood” at the entrance to his burrow, which he hopes will attract females to his humble abode—as if that big beautiful claw of his weren't enough!

September 2013