2 Works

Why the long teeth? Morphometric analysis suggests different selective pressures on functional occlusal traits in Plio-Pleistocene African suids

Deming Yang, Asli Pisano, Joan Kolasa, Tea Jashashvili, Job Kibii, Ana Gomez Cano, Laurent Viriot, Frederick Grine & Antoine Souron
Neogene and Pleistocene African suids displayed convergent evolutionary trends in the third molar (M3) morphology, with increasingly elongated and higher crowns through time. While these features can prevent premature loss of masticatory functionality and potentially increase long-term reproductive success, changes in dental occlusal traits such as enamel complexity and thickness can also improve chewing efficiency and increase short-term energetic return. While both long-term and short-term benefits can contribute to the thriving of a lineage, the...

Kin do not always help: testing multiple hypotheses on nest feeding in a cooperatively breeding bird

Laurence Cousseau, Laurence Cousseau, Dries Van De Loock, Beate Apfelbeck, Mwangi Githiru, Erik Matthysen & Luc Lens
In cooperatively breeding species, group members may derive multiple benefits from helping to raise other individuals’ offspring, yet not all individuals do so. In this study, we tested several hypotheses to explain why group members feed offspring of breeding placid greenbuls (Phyllastrephus placidus). In accordance with the kin selection hypothesis, all helpers were first-order kin of the breeding female and the presence of helpers was associated with increased survival of the breeding pair. However, the...

Registration Year

  • 2022
    2

Resource Types

  • Dataset
    2

Affiliations

  • National Museums of Kenya
    2
  • University of Antwerp
    1
  • Ghent University
    1
  • University of Utah
    1
  • University of Southern California
    1
  • University of Bordeaux
    1
  • University of Salzburg
    1
  • Stony Brook University
    1