The animal that does not poop is the Tardigrades as well as butterflies.
Tardigrades, known colloquially as water bears or moss piglets, are a phylum of eight-legged segmented micro-animals.
They were first described by the German zoologist Johann August Ephraim Goeze in 1773, who called them Kleiner Wasserbär.
The oldest living creature is the ocean quahog which is a species of edible clam, a marine bivalve mollusk.
Ocean quahogs live in the Atlantic and can live more than 400 years old.
At 507 years of age, Ming the clam broke the Guinness World Record as the oldest animal in the world.
The oldest creature on earth is the Ocean Quahog Clams.
The Ocean Quahog Clams have been found to be alive 507 years later.
The animal that is immortal is the Jellyfish.
Or more specifically the Jellyfish Turritopsis dohrnii.
Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish found worldwide in temperate to tropic waters
The animal that does not sleep is the Bullfrog.
The American bullfrog, often simply known as the bullfrog in Canada and the United States, is a large true frog native to eastern North America.
It typically inhabits large permanent water bodies such as swamps, ponds, and lakes.
The animal that does not have a brain are sponges.
Coral and Jellyfish are also animals without a brain.
The kind of animal that has 32 brains is a Leech as well as Sperm Whales.
The Leech and the Sperm Whale has 32 brains.
The animal that has 32 brains is the leech and the sperm whale is also the animal that has the largest brain.
The leech is the animal with 32 brains and a leech's internal structure is segregated into 32 separate segments, and each of these segments has its own brain.
Leech is an annelid.
The sperm whale is also the animal that has the most brains as in being the largest brain.
The largest brains are those of sperm whales, weighing about 8 kg (18 lb).
An elephant's brain weighs just over 5 kg (11 lb), a bottlenose dolphin's 1.5 to 1.7 kg (3.3 to 3.7 lb), whereas a human brain is around 1.3 to 1.5 kg (2.9 to 3.3 lb). Brain size tends to vary according to body size.
The only animal that is known to have 32 brains is the Leech.
A Leech has 32 brains and also have 10 stomachs and 18 testicles.
Leeches can latch onto your skin and suck out blood and they can be painful to remove so it's best to avoid them if possible.
However leeches do have benefits to humans such as cleaning infected wounds.
Even maggots while gross have been used and are sometimes still used to clean a persons infected wounds if the person allows it.
My father had an infected wound and he had maggots clean his wounds and it really helped although it felt funny to him.
A leech is an invertebrate animal that belongs to the phylum Annelida, a zoological category that includes more than 15,000 species of segmented bristle worms and 650 species.
Not all leeches suck blood though but most do.