Mechanisms of avian egg-recognition: Do birds know their own eggs?

  title={Mechanisms of avian egg-recognition: Do birds know their own eggs?},
  author={S. I. Rothstein},
  journal={Animal Behaviour},
Abstract Egg-recognition in birds is generally thought to be weakly expressed since many birds accept a wide diversity of foreign eggs placed in their nests. It has long been believed that even those birds that generally reject foreign eggs (rejector-species) do not practise actual recognition of their own eggs but simply reject any egg-type in the minority (discordant). However, this belief is founded on conflicting evidence. The results from a large number of new experiments reveal that… Expand
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