Related Clues:

• Where most peat is sourced is where grapes are grown? That's a load of bull!
• Like bison and buffalo
• Cow, say, originally bleating like sheep?
• Stock-related, in a way
• Cow-like
• Cow, say
• Ox, cow or yak?
• Water buffalo, for one
• Thick unpleasant smell above climber
• Slow-witted bishop possibly sheepish