Playing with Rats for Science
In a new study illuminating playful behavior in animals, scientists taught rats to play a simplified, rat-versus-human version of hide-and-seek.
Rats picked up the game within a week or two and learned how to alternate between hiding and seeking roles. Rather than offering food, the researchers rewarded successful hiding and seeking behaviors with playful social interactions, such as tickling and petting.
Read more about playful rats at my Animal Minds blog: Rats and Researchers Play Hide-and-Seek.
Saving the Hellbender
The giant salamander is a crown jewel of Appalachia, but many populations are in decline. Scientists are working to find out why, before it's too late.
Read more at The Scientist: Saving the Hellbender, a Giant Salamander Under Threat.
Eavesdropping Squirrels
Eastern gray squirrels listen in to birds’ conversations for cues about nearby predator risk, according to a new study from Oberlin College. Researchers found that hearing casual bird chatter after a predator call signals safety to squirrels.
Read more on my Animal Minds blog: Squirrels Eavesdrop on Bird Chatter as Sign of Safety.
Female Birds Sing, Too
Though understudied, female birdsong is relatively common, even in songbird species in north temperate regions. In a new study, researchers looked at why female eastern bluebirds sing -- to maintain and strengthen the bond with their mates.
Read my latest Animal Minds blog post: Why Do Female Birds Sing?
Goliath Frog Parenting
Researchers describe the first example of nest-building in an African amphibian, the Goliath frog, and suggest it's why they grow so gigantic.
Read my latest Animal Minds post: Giant Frogs are Attentive Parents.