I think it's bacteria
A Vaquita is a rare species of porpoise, it is the smallest and most endangered species of cetacean in the world .
No, the fairy fly is not the smallest animal in the world. The title for the smallest animal is often debated, but some contenders include the bumblebee bat and certain species of tiny frogs and crustaceans.
The smallest animal in the Philippines is the Tarsier. The Tarsier is a nocturnal species. It is one of the smallest know primates and is around the size of a man's hand.
the largest is the blue whale, ironicaly it eats one of the smallest plankton, but the smallest is the microscopic round worm.
The Paedocypris progenetica, a species of tiny fish found in Indonesia, holds the record for being the smallest vertebrate in the world. Its average size is about 7.9 millimeters.
baby snakes are the smallest animal in the world.
Gnats
The smallest animals on Earth are various species of microscopic roundworms. Adults in many species are less than 1/10th of a millimeter in length, smaller than many single-celled organisms. They are know to be the smallest WILD animal.
species of loris in world
The smallest living species is mites but they arent really animals, the cricket is smallest I know of.... :) Sorry if this did not help. :P
The Species is the lowest classification in the animal kingdom.
Yes, hummingbirds are the smallest birds in the world. I think they can fit in your palm.