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Sibling rivalry is commonplace within animal families, yet offspring can also work together to promote each other's fitness. Here we show that the extent of parental care can determine whether siblings evolve to compete or to...

Burying beetle competition cooperation indirect genetic effect parental care Animals Behavior Animal Biological Evolution Coleoptera Competitive Behavior Cooperative Behavior Female Larva Male

Sibling rivalry is commonplace within animal families, yet offspring can also work together to promote each other's fitness. Here we show that the extent of parental care can determine whether siblings evolve to compete or to...

competition cooperation parental care Burying beetle indirect genetic effect