Measurements of snakes, some of which eat crayfish, and some of which do not.
data(Snakes)
A data frame with 28 rows (each plot) and 4 columns:
Whether the snake lives in a crayfish region or not;
one of Cfish
or NoCfish
The snake sex; one of male
or female
The snout-to-length length, in cm
The number of number of maxillary teeth
Manjarrez, J., Macias Garcia, C., & Drummond, H. (2017). Morphological convergence in a Mexican garter snake associated with the ingestion of a novel prey. Ecology and Evolution, 7(18), 7178--7186.