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Ben J. Hatchwell, Stuart P. Sharp, Andrew P. Beckerman and Jessica Meade Ecological and demographic correlates of helping behaviour in a cooperatively breeding bird Journal of Animal Ecology 82

Version of Record online: 24 JAN 2013 | DOI: 10.1111/1365-2656.12017

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Using a long-term data set, the authors investigate potential ecological and demographic correlates of variation in helping behaviour in a cooperatively breeding bird, the long-tailed tit. They identify two novel factors that predict the degree of helping: nest predation rate and length of the breeding season.

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