When monitoring the health of mammal populations, scientists often use camera traps to observe the animals in their habitats. But weasels are so sneaky they're rarely caught on camera—leaving ...

the least weasel (Mustela nivalis)—also called little weasel—is still the smallest true carnivore on Earth. It’s native to ...

Of all the weasel species to worry about, the "least weasel" is the most worrisome. As the world's smallest carnivore, the least weasel is notoriously difficult to track down and has only been ...