The profusion of breeds today -- at least 150 -- reflects ... diversity must reflect interbreeding with several types of wild dogs. But the DNA findings say differently. All modern dogs are ...

They may be our "best friends" but dogs have also emerged as a major threat to wildlife. Scientists say they have contributed to the extinction of nearly one dozen wild bird and animal species.

Here’s what you should do if you encounter an invasive dog-sized lizards in South Carolina, Department of Natural Resources ...

When viruses move from one species into another ... evidence of regular spillover into dogs and cats and some zoo animals.

domesticated versus wild. (Remember, both dogs and wolves evolved from a common ancestral wolf species, so wolves are an ideal control with which to study the consequences of dogs' life with humans.) ...

They're considered invasive species in Europe and prohibited from being imported or bred. They’re the only wild dog species that hibernate in winter. The smallest of the wild cats, sand cats live a ...

A study looking at the brain size of different breeds relative to their skulls reveals how humans have altered the species ...

Kevin Smith, invasive species programme officer for the International Union for Conservation of Nature, said: "Any populations of raccoon dogs in the wild would compete with native animals ...

Think of your favorite species of wild animal—elephant, eagle, barracuda, whatever. Does its kind come in as wide a range of shapes, sizes, and colors as the dog? Not even remotely. "You never ...

Sibert and Red Cloud, black-footed ferret siblings at the Smithsonian’s National Zoo and Conservation Biology Institute, are ...

However, the fennec’s ability to thrive in the desert environment made it top of our list of species to feature in our ‘Dogs in the Wild’ series. When we arrived on location in Morocco ...