A key ecological trait drove the evolution of biparental care and monogamy in an amphibian.

@article{Brown2010AKE,
  title={A key ecological trait drove the evolution of biparental care and monogamy in an amphibian.},
  author={Jason Lee Brown and V{\'i}ctor Morales and Kyle Summers},
  journal={The American naturalist},
  year={2010},
  volume={175 4},
  pages={436-46}
}
Linking specific ecological factors to the evolution of parental care pattern and mating system is a difficult task of key importance. We provide evidence from comparative analyses that an ecological factor (breeding pool size) is associated with the evolution of parental care across all frogs. We further show that the most intensive form of parental care (trophic egg feeding) evolved in concert with the use of small pools for tadpole deposition and that egg feeding was associated with the… CONTINUE READING
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