Collection of Avian Brains (IMAGE)
Caption
The collection of avian brains that the scientists analyzed. For each species, the total number of neurons (in millions) in their brains is shown in yellow, the number of neurons (in millions) in their forebrains (pallium) is shown in blue and their brain mass (in grams) is shown in red. The scale bar in the lower right is 10 mm.
Credit
Suzana Herculano-Houzel, Vanderbilt University
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