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Passerine Morphology: External Measurements Of Approximately One-Quarter Of Passerine Bird Species, Robert Ricklefs
Passerine Morphology: External Measurements Of Approximately One-Quarter Of Passerine Bird Species, Robert Ricklefs
Biology Department Faculty Works
Studies of community organization and clade diversification that include functional traits have become an important component of the analysis of ecological and evolved systems. Such studies frequently are limited by availability of consistently collected data. Here, I present a data set including eight measurements of the external morphology of 1642 species, roughly one‐quarter of all passerine birds (Aves: Order Passeriformes), from all parts of the world, characterizing the relative proportions of the wing, tail, legs, and beak. Specimens were measured opportunistically over the past 40 years in museums in the United States and Europe. Numbers of individuals measured per species …