Find the odd number / letters / word from the given alternative.

Tiger
Dolphin
Zebra
Lion E. Crocodile

The odd one out is C, zebra. The other four animals are all mammals, while zebras are equines.

A tiger is a large, carnivorous mammal of the cat family native to Asia.

A dolphin is a marine mammal closely related to whales and porpoises.

A lion is a large, wild cat of the genus Panthera native to Africa and India.

A crocodile is a large, predatory reptile with a long, scaly body, short legs, and a long, powerful tail.