MILWAUKEE - One of Wisconsin's smallest and toughest birds just so happens to also be one of our first signs of spring. In January, a noticeable new sound can be heard across forests, neighborhoods ...

Heterogeneous environments can create differential selection pressures among populations, which may result in the evolution of local adaptations. Premating isolationmechanismsmay emerge due to limited ...

Within a network of communicating individuals, animals may gather information about the relative quality of conspecifics by eavesdropping on their signalling interactions. For territorial male ...