1. Theories postulating that sexual task differentiation may lead to polygamy such that the sex investing the least effort in raising the offspring, engages in simultaneous matings, contrast with ...

Lauchlan has joined his friend Frank MacFarlane of Winnipeg for more than 50 years at the Tin Town cabin they call "Chaddy ...

Birds of prey may be thought of as fierce foes, but scientists find that some males disguise themselves as peaceful females. These males belong to a species of raptor known as the marsh harrier. Using ...

The shapes were familiar, but under dark clouds it was a struggle to see the green heads of the drake mallards in the dim light of the sprawling northern Lake St. Clair marshes. Resident mallards ...

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One of the most spectacular sights at RSPB Old Hall Marshes is the magnificent Marsh Harrier arriving in droves to roost during the winter. The resident breeding population is added to by birds ...