Which organism has the largest cranial capacity?

The sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms).

Which of the following heads has the largest brain capacity?

Average brain mass of H. sapiens is 1,350 grams (2.97 pounds). The increase appears to have begun with H.
…
Increasing brain size.
hominin number of fossil examples average capacity of the braincase (cc)
Australopithecus 6 440
Paranthropus 4 519
Homo habilis 4 640
Javanese Homo erectus (Trinil and Sangiran) 6 930

What is the cranial capacity of humans?

Modern humans and Neanderthals show an average cranial capacity of around 1400–1500 cc, a figure which is probably a bit larger for the latter group.

Did any hominids have a larger cranial capacity than humans?

Comparisons of the skull

Cranial Capacity: Hominins have a larger cranial capacity (apes have a cranial capacity of approx 400cm3 compared with 1400cm3 in humans). … This is common in early Hominins also, but later Hominins have a much flatter face.

What animal has no brain?

There is one organism that has no brain or nervous tissue of any kind: the sponge. Sponges are simple animals, surviving on the sea floor by taking nutrients into their porous bodies.

What animal has 32 brains?

Leech
Leech has 32 brains. A leech’s internal structure is segregated into 32 separate segments, and each of these segments has its own brain. Leech is an annelid.