Possible Clues:

• Creature of the night wants it, pinching bare bum on femme fatale
• Cave dweller
• Bloodsucking mammal
• Nocturnal flying mammal
• Fright flick fly-by-nighter
• Bloodsucker politician: 'I bare swindle in tax'
• Flying mammal
• Mammal with anticoagulant saliva
• Flying mammal known for its bite
• Predatory flier