'Coastal martens like forests with old-growth characteristics,' says expert.

Once thought extinct, researchers are trying to find out more about this tiny carnivore to aid its conservation.

Critter spotters are feline good about this one. Biologists were flabbergasted when an elusive animal thought to be extinct was spotted in Thailand — a staggering 30 years after it was last spotted, ...

The saola is a real and documented animal, but it remains a mystery to most experts and researchers. A forest-dwelling bovid ...

Amazing “pouch cam” images provide a rare glimpse into the hidden world of an endangered baby kangaroo at a UK zoo.