Arne Lundberg, Rauno V. Alatalo, Allan Carlson, Staffan Ulfstrand, Biometry, Habitat Distribution and Breeding Success in the Pied Flycatcher Ficedula hypoleuca, Ornis Scandinavica (Scandinavian Journal of Ornithology), Vol. 12, No. 1 (Feb., 1981), pp. 68-79
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Lundberg et al. (1981) studied this question.
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