pinniped {Biostatistics}

Pinniped brain sizes and mating system

Description

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.

Usage

data("pinniped")

Format

A data frame with 33 observations on the following 6 variables.

Species

Binomial species name

Male_brain_g

Brain mass for males in g

Female_brain_g

Brain mass for females in g

Male_mass_Kg

Body mass for males in Kg

Female_mass_Kg

Body mass for females in Kg

Mate_type

Mating system: mono = monogynous, poly = polygynous

Source

https://onlinelibrary.wiley.com/doi/10.1111/j.1420-9101.2012.02520.x

References

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.

Examples

data(pinniped)
str(pinniped)