Differential maternal investment counteracts for late breeding inmagpies Pica pica: an experimental study Written by PoB, verified by Editorial Team December 26, 2011 Corvidae, PasseriformesMagpie (Pica pica) Science Article 7 abstractReproductive success in many avian populations declines throughout the breedingseason. Two hypotheses have gained attention to explain such a decline: the← Previous PostNext Post →Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment.