A data set of body and brain mass for 33 species of pinniped (seals, sea lions and walruses) along with the type of mating system for that species.
data
data("pinniped")
Format
A data frame with 33 observations on the following 6 variables.
Fitzpatrick, J.L., Almbro, M., Gonzalez-Voyer, A., Hamada, S., Pennington, C., Scanlan, J. & Kolm, N. (2012) Sexual selection uncouples the evolution of brain and body size in pinnipeds. Journal of evolutionary biology, 25, 1321-1330.