ÇaÄŸan ÅžekercioÄŸlu was an ambitious, but perhaps naive graduate student when, 26 years ago, he embarked on a simple data-compilation project that would soon evolve into a massive career-defining ...
Variation in seven example traits provided in BIRDBASE. Bars indicate the number of species within categories or subsets of each trait: (A) average body mass, (B) primary habitat, (C) primary diet, (D ...