Ring tailed mongooses (Galidia elegans) have webbing in between their toes, which allows them to more easily run around the unstable forests that they call home. This adaptation can even allow them to swim!
[Photo and caption by Meredith Lutz]
Goodman et al. (2012) Les Carnivora de Madagascar. Association Vahatra Guides Dur La Diverstié Biologique de Madagascar.