by Akash
Bloodhound: They can track scents that are several days old for miles.
Bear: They can smell food from up to 20 miles away.
Elephant: They can detect water and food sources from several miles away.
Shark: They can detect a drop of blood in a swimming pool.
Mouse: They can detect faint odors that humans can't.
Vulture: They can locate dead animals from miles away.
Anteater: They can detect ant and termite colonies from several feet away.
Salmon: They can detect the scent of their home river even in the ocean.
Moth: They can detect the scent of a potential mate from several miles away.
Dog: They can detect specific scents and are used to detect drugs and explosives.