Humpback dolphins in Western Australia have been observed gifting sea sponges to potential mates in a courtship behaviour that researchers say is very rare. 'It highlights that there's another species out there that's quite socially complex, more than we previously recognised,' says Dr Simon Allen, lead researcher from the University of Western Australia. 'They are thinking animals' Continue reading...
Humpback dolphins offer gifts in rare courtship ritual - video
21. listopadu 2017 8:00
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Zdroj: The Guardian