When an animal won't stay still long enough for to snap a photo, adding it to the Photo Ark can be a painful process. Watch Joel Sartore's photo shoot with this fast-moving brown mouse lemur.

What it eats: Fruits, flowers, nectar, tree sap and small insects Why it's awesome: Northern giant mouse lemurs may be tiny, but they have a striking trait: remarkably large testicles. The primates ...

In some parts of the world, animals are going extinct before scientists can even name them. Such may be the case for mouse lemurs, the saucer-eyed, teacup-sized primates native to the African island ...

If you've ever watched a nature documentary featuring lemurs — or the animated feature "Madagascar," with characters King Julien, Maurice and Mort — you have probably fallen in love with the ...

Primates come in a huge range of sizes from the great apes all the way down to a tiny little species known as Madame Berthe’s mouse lemur. Sadly, however, the smallest side of that spectrum may be a ...