Lemurs share a common ancestor with their distant cousins the monkeys but have evolved completely independently over the past 40 million years in divine isolation. Sadly many lemurs are now on the vulnerable species or endangered animal list due to excessive hunting and habitat destruction. A few species are actually expected to become extinct within the next few years.
In my opinion they make a better WWF mascot than giant pandas as unlike pandas there are few breeding programmes and frankly they could do with the exposure.
We saw quite a few lemurs in the wild and even more when we visited a rescue sanctuary where they climbed all over us. Bless.