A juvenile Gray Jay (Perisoreus canadensis) was observed to capture, kill, and eat a healthy juvenile Magnolia Warbler (Dendroica magnolia), demonstrating that Gray Jays depredate free-flying birds in ...

Perisoreus canadensis was originally named Canada Jay, so it seems appropriate that after being Gray Jay from 1956-2018, the American Ornithological Society changed it back to Canada Jay. They have ...

This is a preview. Log in through your library . Abstract Contrary to the theory of rational choice, adding an alternative to a set of available options often affects people's judgement of the ...

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I sat at midday in the sun, in a lodgepole pine forest being thinned by bark beetles. I was taking a break for lunch and enjoying the view when I realized that not only was I not alone, but somebody ...

Associate Professor, Member of the Royal Society of Canada's College of New Scholars, Artists and Scientists, University of Guelph Ryan Norris is an Associate Professor at the University of Guelph.

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After a two-year vote to help choose a bird that could best represent Canada, the Royal Canadian Geographical Society stunned many by choosing the third-place gray jay over the first-place common loon ...