It is one-third the size of a human brain.
The brain size of ravens are on average the largest of any other bird. They have the same brain to body ratio as a chimpanzee.
A: a chimpanzee brain weighs more than a lion brain.
The average size of a donkey's brain is comparable to a human. The donkey's brain is between 50 and 75 percent of the size of the human brain.
there brain is about the size of a base ball
chimpanzee
Chimpanzee's have hands very similar to those of humans, four long fingers and an opposable thumb. The average size of their hands are about 10 to 12 inches.
Between the ages of 10-12 the average size of a male brain is 1,440 grams and the average size of a female brain is 1,260 grams. The size of a nine year olds brain is only slightly smaller.
Chimpanzee
35GRAMS
300
12cm
A Chimpanzee is the only animal that most resembles the human brain. It looks most like and works most like the human brain.