A dog has a keen sense of smell, a bat has a keen sense of hearing, a cheetah has a keen sense of sight
An animal with a keen sense of smell, long claws, and sharp teeth.
Rhino
warthog is the answer warthog is the answer
The star-nosed mole
Roy was very keen for apples today.
Warthog is right.
Owl
He just does, he has animal-keen senses which make him very attuned to his surroundings.
As keen as mustard or as keen as a kitten
hard out Blake
The expression is to be "keen on" something or someone, if you are an enthusiast or a lover.