With the press of a button on a transmitter Wednesday afternoon, Tom Newell made the sound of a quacking duck break the silence at Keystone Woods Wildlife Management Area in northern Washington County ...

University of Delaware entomologist Doug Tallamy’s research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects ...

University of Delaware entomologist Doug Tallamy's research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects ...

University of Delaware entomologist Doug Tallamy's research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects, thus ...