Mikko Ojanen, Markku Orell, , Role of Heredity in Egg Size Variation in the Great Tit Parus major and the Pied Flycatcher Ficedula hypoleuca, Ornis Scandinavica (Scandinavian Journal of Ornithology), Vol. 10, No. 1 (1979), pp. 22-28
No takes yet. Share an insight, caveat, or question.
Ojanen et al. (1979) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: