A hoof is the foot of certain animals known as ungulates (such as deer, cows, pigs, sheep, and giraffes). These animals walk on their toes. The toes have a hard cover made out of the same material as fingernails. This is called keratin.
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
