The effect of helpers on reproductive success in the laughing kookaburra
1. In co-operatively breeding birds and mammals that live in family groups, helpers may gain indirect fitness benefits by increasing the number of breeding attempts in a season, by increasing the success of each nesting attempt, and by increasing the survivorship of related breeders. 2. The effects of helpers were examined in an analysis of reproductive success in the laughing kookaburra (Dacelo novaeguineae), where a monogamously breeding pair is assisted by offspring of both sexes. 3. Helpers...[Show more]
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|Source:||Journal of Animal Ecology|
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