Their unique biology and slow motion lifestyle makes adapting to warmer temperatures extremely difficult, new research ...

Three-toed sloths are also smaller and slower than their two-toed counterparts, and have darker facial markings, which can sometimes make it look like the sloth is smiling. 2. Both have three toes, ...

研究表明，树懒的新陈代谢率低，无法应对不断上升的气温，这可能导致它们在2100年前灭绝。 海拔较高的树懒尤其如此，它们无法轻易迁移到凉爽的地区，也无法增加缓慢的食物摄入量以满足更高的能量需求。

The scientists studied the metabolisms of two-fingered sloths ( Choloepus hoffmanni) in both the highland and lowland regions ...

Pesto, a nine-month old resident of SEA LIFE Aquarium in Melbourne, has waddled his way into Internet fame. Towering over his ...

The survival of sloths is under threat due to climate change, according to a new study. The famously slow-moving - and ...

The alligator lay perfectly still on the edge of the canal in Everglades National Park’s Shark Valley. In front of her, half ...