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Birding Shanghai in June 2023

10,000 Birds

This leaves Shanghai in June with basically just the year-round species and the summer breeders, maybe with a few added ultra-lazy individuals of migratory species. Summary result: relevant chemicals emitted by the plant can be found in the eggs. The Black-naped Oriole is one of the most attractive summer breeders in Shanghai.

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A Strategic Arms Race Among Birds

10,000 Birds

In the former, a female lays her fertilized egg in the nest of another species, in the hopes that her offspring will be raised by the unwitting hosts. A recent paper in Science, Brood Parasitism and the Evolution of Cooperative Breeding in Birds by Feeney, Medina, Somveille, et al, looks into this interesting possible relationship.

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