Human uniqueness/Video

• An orbituary for Alex, a parrot with tremendous contributions to our understanding of cognitive evolution

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• Orca whales engaging in collaborative hunting of a seal

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• A video from the supplementary material of
  Wich, Serge A.; Karyl B. Swartz & Madeleine E. Hardus et al. (2009), "A case of spontaneous acquisition of a human sound by an orangutan", Primates: in press, DOI:10.1007/s10329-008-0117-y ^[e], showing a whistling 30-year old orangutan:

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