Sep 13, 2017
The long grooves you can see on either side of the saola’s face are skin flaps covering two large scent glands. These maxillary glands, probably the largest among all animals, secrete a strong-smelling, greenish paste that the saola rubs on the underside of leaves and branches. This may be a form of territorial marking, or of signaling potential mates, but no one knows for certain.