News in Brief Animals

Unpredictable egg scramble throws off parasitic parents

eggs with patterns

Eggs of warblers and weavers reveal that those from species whose nests have been infiltrated by cuckoo finches have extremely complicated markings compared with those from species whose nests have not been invaded.

Caves et al/Proceedings of the Royal Society B 2015 (CC BY 4.0)

By Ashley Yeager

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