Larger Hermit Crab Penises May Prevent Shell TheftLarger Hermit Crab Penises May Prevent Shell Theft
Larger Hermit Crab Penises May Prevent Shell Theft
Members of species with shells they must hold onto for survival have larger sexual tubes than those with less precious private property.
Larger Hermit Crab Penises May Prevent Shell Theft
Larger Hermit Crab Penises May Prevent Shell Theft

Members of species with shells they must hold onto for survival have larger sexual tubes than those with less precious private property.

Members of species with shells they must hold onto for survival have larger sexual tubes than those with less precious private property.

social behavior
How One Wild Dolphin’s Trick Became a Fad
How One Wild Dolphin’s Trick Became a Fad
Ashley Yeager | Dec 1, 2018
After release from rehab, bottlenose Billie started walking on water with her tail. Studying how the behavior spread could offer clues about how animals learn from each other.
Dorothy Cheney, Pioneer in Social Cognition, Dies
Dorothy Cheney, Pioneer in Social Cognition, Dies
Kerry Grens | Nov 19, 2018
Her work changed the discipline by bringing rigorous experimentation to field studies of monkeys and baboons.
Book Excerpt from <em>Orca</em>
Book Excerpt from Orca
Jason Colby | Jul 1, 2018
In Chapter 15, author Jason Colby describes a scene of captive orca release and early research into the species' behavior and social organization
Mothers Are Hard-Wired to Respond Similarly to Infant Cries Across Cultures
Mothers Are Hard-Wired to Respond Similarly to Infant Cries Across Cultures
Shawna Williams | Jan 1, 2018
Researchers find consistent behaviors and brain activity in an international study.
Image of the Day: Power Move 
Image of the Day: Power Move 
The Scientist Staff | Jul 25, 2017
When certain neurons in the prefrontal neurons cortex are turned on, mice subjugate their neighbors in a display of power.