Which animals use maximum brain?

Monitor lizards, tegus and anoles and some tortoise species have the largest among reptiles. Among birds, the highest brain-to-body ratios are found among parrots, crows, magpies, jays and ravens….Comparisons between groups.

Species	Brain:body mass ratio (E:S)
small birds	1:12
mouse	1:40
human	1:40
cat	1:100

Does brain size equal intelligence in animals?

It is hard to pin down what makes the human brain exceptional among mammals—neither brain size, relative brain size nor number of neurons is unique to humans. More intelligent people do better in life, but there is only weak correlation between brain size and intelligence, especially across species.

Do the most intelligent animals have the biggest brains?

Sometimes how you use it is more important than what you’ve got. There are two reasons. First, brain structure is more important than brain size, and human brains with their highly folded and complicated cortex can do things no other brains can. Second, relative size is more important than absolute size.

Which is the most intelligent mammal after humans on the earth?

Elephants are also extremely caring and empathetic to other members of their group and to other species, which is considered as a highly advanced form of intelligence. The great apes are considered to be the smartest creatures after humans. Among them, orangutans stand out as being especially gifted with brain.

What kind of brain does an echidna have?

____ Echidnas have unusual brains. __ The echidna has a very large brain for its body size. Part of this might be due to their enlarged neocortex, which makes up half of the echidna’s brain (compare this to about 30 percent in most other mammals and 80 percent in humans).*

Do echidnas dream?

Part of this might be due to their enlarged neocortex, which makes up half of the echidna’s brain (compare this to about 30 percent in most other mammals and 80 percent in humans). It was long thought that echidnas didn’t enter rapid eye movement (REM) sleep at all, the type of sleep associated with dreaming in humans.

How big does an echidna grow to be?

The species is currently secure throughout most of its present range. The short-beaked echidna is rotund and furred with a small head terminating in a cylindrical beak or snout. Adults can grow to a body length of 40 cm and weigh up to 7 kg.

How can you tell the difference between male and Female echidnas?

The reproductive organs also differ, but both sexes have a single opening called a cloaca, which they use to urinate, release their faeces and to mate. Male echidnas have non-venomous spurs on the hind feet. The neocortex makes up half of the echidna’s brain, compared to 80\% of a human brain.