Related Clues:

• Predatory type not approved by union
• Animal in ancient times seen aboard ark?
• Lynx or ocelot, e.g
• Fierce person
• US animal's odour about to get inhaled by nocturnal creature
• A term for industrial action not approved by the relevant union
• Striking beast?
• Ferocious feline, or a theme hint
• Feline from many centuries ago found in sailing vessel
• Animal that can strike suddenly
• Lynx in early history entering ark, maybe
• Big cougar originally aboard ship, wild feline
• A lynx is one
• Excavator-maker