This data set gives a morphological description of 28 species of the genus Corvus split in two habitat types and phylogeographic stocks.
Usage
data(corvus)
Format
corvus is data frame with 28 observations (the species) and 4 variables :
wing
: wing length (mm)
bill
: bill length (mm)
habitat
: habitat with two levels clos and open
phylog
: phylogeographic stock with three levels amer(America), orien(Oriental-Australian),
pale(Paleoarctic-African)
References
Laiolo, P. and Rolando, A. (2003) The evolution of vocalisations in the genus Corvus: effects of phylogeny, morphology and habitat.
Evolutionary Ecology, 17, 111–123.