Successful same-sex pairing in Laysan albatross.

  title={Successful same-sex pairing in Laysan albatross.},
  author={Lindsay C. Young and Brenda J Zaun and Eric A Vanderwerf},
  journal={Biology letters},
  volume={4 4},
Unrelated same-sex individuals pairing together and cooperating to raise offspring over many years is a rare occurrence in the animal kingdom. Cooperative breeding, in which animals help raise offspring that are not their own, is often attributed to kin selection when individuals are related, or altruism when individuals are unrelated. Here we document long-term pairing of unrelated female Laysan albatross (Phoebastria immutabilis) and show how cooperation may have arisen as a result of a… CONTINUE READING

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