Sulphur-crested cockatoos are waiting in line at public drinking fountains in Sydney to have their daily drinks of water in the latest example of cultural evolution in urban birds
Več na: https://www.newscientist.com/article/2482652-crafty-cockatoos-learn-to-use-public-drinking-fountains/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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