Related Clues:

• They fly by night
• They sometimes have great horns
• Temple U. team
• They give a hoot
• Night fliers
• Barn birds
• Some nobility
• Upper house
•     Temple University team, with 'the'
• Forest hooters
• Snowy and gray?
• Birds with rare binocular vision
• Houseful in Britain?
• Hogwarts messengers
• Barn and screech