Q. Why do so many animals turn white in winter or stay white all year at the North Pole, but not at the South Pole? Wouldn't the same camouflage conditions apply to both? Will global warming affect ...

Ermines hunt small rodents, making them key in keeping the populations of these animals in check. If ermines disappear, small ...

Only 21 species worldwide are known to do this, almost all in northern climates, according to an article in the journal ...

Daylight, not temperature, triggers color change in Arctic animals. White fur provides camouflage and insulation due to hollow hair shafts. Climate change causes a mismatch; white coats stand out with ...