What could cause a brown vertical line and horizontal ridges on one side of only one fingernail? Dr. Richard Zimon Dr. Zimon More info needed: Sounds like you damaged the nail bed at some point in time.
As tigers are related to cats it would mean that mean that they are feline. A canine is a dog so tigers aren't canine. 2 people found this useful.
Feline blood types are divided into three groups: A, B, and AB. About 90 percent of domestic cats in the U.S. have type A blood; B is usually found in some of the more exotic purebreds. AB is the rarest type.