The aye-aye looks like someone took a bat, a rat, and a gremlin and stuck them in a blender, then gave the result one incredibly long middle finger that it uses like a Swiss Army knife. This bizarre ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The world’s largest nocturnal primate—the aye-aye—is ...

If it seems too good to be true, the old cliché goes, it probably is. And it doesn’t get much gooder than the bizarre hand of the aye-aye, a specialized lemur that uses a hyper-elongated middle finger ...