Invasive snakes 'hitchhiking' on planes

A team of international scientists has discovered why brown tree snakes have become one of the most successful invasive species.

Gender-bending fish on the rise in southern Alberta

Chemicals present in two rivers in southern Alberta are likely the cause of the feminization of fish say researchers at the University of Calgary who have published results of their study in the journal Environmental Toxicology ...

How birdwatchers can help threatened bird populations

The types of birds coming through your neighborhood are probably changing, and so is the timing of their migrations. Birdwatchers noticing these differences are on the front line in figuring out how climate change and more ...

page 14 from 17