This web exhibit was first built in 2000 by Patricia Anne Kinser, Haverford College, under the direction of Paul Grobstein, Bryn Mawr College. The updated version of Comparative Neuroanatomy and Intelligence is now online at http://serendip.brynmawr.edu/exchange/brains. This old version has been archived in place, and will continue to be available for teachers and students who are using it.

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Chart of Approximate Brain and Body Sizes of Various Animals
Species Brain
Length (cm)
Brain
Weight (g)
Body
Length (cm)
Body
Weight (g)
Human 15 1400 100 62,000
Baboon 8 140 75 30,000
Monkey 5 100 30 7,000
Camel 15 680 200 529,000
Dolphin 1700 305 160,000
Kangaroo 5 56 150 35,000
Cat 5 30 60 3,300
Raccoon 5.5 39 80 4,290
Rabbit 5 12 30 2,500
Squirrel 3 6 20 900
Frog 2 0.1 10 18
This information comes from a variety of the following sources:
Online Encyclopedia Brittanica, http://search.eb.com
www.highnorth.no/Library/Myths/bri-si-bo.htm
www.rem.ph.ucla.edu/~rob/graphics/brainwt2.text
www.faculty.washington.edu/chudler/facts.html
www.mste.uiuc.edu/malcz/DATA/BIOLOGY/Animals.html

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