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)
Arguments
format
corvus is data frame with 28 observations (the species) and 4 variables :
wing{: wing length (cm)}
bill{: bill length (cm)}
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.