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Showing 1–6 of 6 results
Advanced filters: Author: R. P. PRYS-JONES Clear advanced filters

  • After generating a dataset on plumage colouration for over 4,500 bird species, the authors show that tropical species are more colourful than temperate species, confirming a long-held but difficult-to-prove belief.

    • Christopher R. Cooney
    • Yichen He
    • Gavin H. Thomas
    Research
    Nature Ecology & Evolution
    Volume: 6, P: 622-629

  • What factors explain variation in the pace and trajectory of evolutionary divergence between lineages? Here, the authors show that a proxy measure for sexual selection intensity predicts both the rate and direction of plumage colour evolution in a diverse radiation of New World passerine birds.

    • Christopher R. Cooney
    • Zoë K. Varley
    • Gavin H. Thomas
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Male animals are typically more elaborately ornamented than females, probably because females make more of an energetic investment in raising young. However, this generality may not apply in cooperatively breeding vertebrates, where the energetic load is similar in males and females. The socially diverse African starlings are now used to study this issue, revealing that where intrasexual competition among females may be intense, female trait elaboration is selected for.

    • Dustin R. Rubenstein
    • Irby J. Lovette
    Research
    Nature
    Volume: 462, P: 786-789

  • A study of more than 2,000 bird species shows that diversity in bill shape expands towards extreme morphologies early in avian evolution in a series of major jumps, before switching to a second phase in which bills repeatedly evolve similar shapes by subdividing increasingly tight regions of already occupied niche space.

    • Christopher R. Cooney
    • Jen A. Bright
    • Gavin H. Thomas
    Research
    Nature
    Volume: 542, P: 344-347