Tag: diet

June 3, 2022

A back-end way to test polar bear toxins

Polar bears may seem a long way from civilization, but they’re vulnerable to dangerous chemicals that end up in the environment. These toxins get into the water and work their...

April 6, 2021

Database lays out diets of the world’s carnivores

What does a red fox eat? What about a dhole? A hyena? A stoat? PhD students at the University of Sussex in the UK have assembled research into the diets...

March 27, 2018

Indochinese leopard population declines

Only one population of Indochinese leopards (Panthera pardus delacouri) remains in all of eastern Indochina, and that population is facing a steep decline, according to new research. Comparing camera trap...

February 14, 2018

Omnivorous bats have better evolutionary success

Looking back at the evolution of bats, researchers found that omnivorous species — which consume both plants and animal products — produce more species over time than bats that are...

January 4, 2018

Constantly on the hunt, midsize carnivores face unique risks

Medium-sized carnivores may be particularly at risk from environmental changes, an international team of scientists found, because they spend so much of their waking hours hunting for food that they...

August 17, 2017

Bobolinks reliance on rice raises new concerns

Bobolinks (Dolichonyx oryzivorus) travel 12,000 miles each year to their North American breeding areas, where they have experienced habitat loss and degradation for decades. The declining grassland bird may also...

June 16, 2016

JWM Study: Suburban pumas eat more raccoons, house cats

There’s no shortage of deer in the residential neighborhoods of California’s Santa Cruz Mountains. Nevertheless, the closer pumas (Puma concolor) come to human dwellings, the more likely they are to...

May 11, 2016

Are polar bears changing their diet?

Deep in the Western Hudson Bay, populations of bearded seals are declining. As polar bears prey on these seals, researchers wonder how similar changes in prey availability could potentially affect...

Ants
April 10, 2015

City Ants Love Fast Food

Some ants have a craving for hamburgers with a side of fries, according to a recent study. Researchers from North Carolina State University tested isotope levels in ants that dwell...