species,bodywt,brainwt
afele,6654.00,5712.00
cow,465.00,423.00
donkey,187.00,419.00
man,62.00,1320.00
graywolf,36.33,119.50
redfox,4.24,NA
narmadillo,3.50,10.80
echidna,3.00,25.00
phalanger,1.62,11.40
guineapig,1.04,5.50
eurhedghog,0.79,3.50
chinchilla,0.43,64.00
ghamster,0.12,1.00
snmole,0.06,1.00
lbbat,0.01,0.25