Tag: isotope analysis

August 17, 2020

Which coyotes are the ‘top dogs?’

Coyotes in the Lower Peninsula of Michigan consume more meat than those in the Upper Peninsula, researchers found. That’s because coyotes (Canis latrans) in the Upper Peninsula are surrounded by...

August 3, 2020

Even ancient foxes relied on humans for food

By looking at foxes’ diets over the years, researchers determined that human activity has influenced the small carnivores as far back as 42,000 years ago. Foxes typically feed on scraps...

May 10, 2017

Ducks’ chemical signatures point to importance of Canadian delta

Most people don’t know much about central Canada’s Saskatchewan River Delta, but new research analyzing chemical ratios in duck feathers highlights how this massive wetland between Saskatchewan and Manitoba serves...