Testis size variation in the greenfinch Carduelis chloris : relevance for some recent models of sexual selection

@article{Meril1999TestisSV,
  title={Testis size variation in the greenfinch Carduelis chloris : relevance for some recent models of sexual selection},
  author={Juha Meril{\"a} and Ben C Sheldon},
  journal={Behavioral Ecology and Sociobiology},
  year={1999},
  volume={45},
  pages={115-123}
}
Interspecific evidence that testis size responds to selection caused by sperm competition has been obtained from many taxa. However, little is known about the sources of intraspecific variation in testis size, although such variation may have functional significance. Variation in testis size and asymmetry was studied within and between eight geographically separated (and genetically differentiated) populations of greenfinches Carduelis chloris. The relationships between testis size and plumage… CONTINUE READING

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