The best way to describe these creatures, 3 legged chicken/monkey/squirrels. These animals are proof that Gods have senses of humor.
These are also known as sourges of the desert sands. Carvitons bare a strong resemblance to their water dwelling cousins, including the large dorsal fin that can be seen in the sands.
A plague is spreading trough the lands, the plague is actually an old woman carrying a stick. She walks from farm to farm spreading the plague. Can the PCs stop her without getting infected.