Diversity-dependent cladogenesis and trait evolution in the adaptive radiation of the auks (aves: alcidae).

Abstract excerpt

Through the course of an adaptive radiation, the evolutionary speed of cladogenesis and ecologically relevant trait evolution are expected to slow as species diversity increases, niches become occupied, and ecological opportunity declines. We develop new likelihood-based models to test diversity-dependent evolution in the auks, one of only a few families of seabirds adapted to underwater "flight," and which...

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