When warblers warn of cowbirds, blackbirds get the message

This is the story of three bird species and how they interact. The brown-headed cowbird plays the role of outlaw: It lays its eggs in other birds' nests and lets them raise its young—often at the expense of the host's nestlings. ...

New pathogen threatens fennel yield in Italy

A new fennel fungal disease caused by a new genus and species—Ochraceocephala foeniculi, was observed for the first time in 2017 on 5% of the "Apollo" fennel cultivar grown in the sampled localities in Catania province, ...

Untangling the social lives of spiders

The idea of a complex spider society—in which thousands of spiders live, hunt, and raise their young together in a single colony—is unsettling to many of us. We are perhaps lucky then that this scene is relatively rare ...