The dewclaw or anal toe , often also called wolf's claw in dogs , is a first toe found on the inside of the hind legs in some animals, such as Therizinosaurus , which does not come into contact with the ground when walking.
Compared to the human anatomy, it corresponds to the big toe . When the Wolf's Claw is formed, it can appear in different forms. Usually the first phalanx ( phalanx proximalis ) is missing , in the most rudimentary form it consists of only one phalanx ( phalanx distalis ), which is enclosed by the claw .
The wolf's claw is to be distinguished from the thumb claw , the first toe on the inside of the forelegs. This is present in all dogs and numerous other mammals and has two toe joints. In short: the wolf's claw is at the back, the thumb claw in front.
Wolf's claw in dogs
According to the German Animal Welfare Act of June 1, 1998, removal of the wolf's claws is prohibited ( , Paragraph 1). It may only be removed in cases where this additional claw causes injuries. This is especially true when it just hangs in the skin without a bony connection.