Orcas have sunk 3 boats in Europe and appear to be teaching others to do the same. But why?

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‘Scientists think a traumatized orca initiated the assault on boats after a “critical moment of agony” and that the behavior is spreading among the population through social learning….’ (Live Science)

Related: Video: Orcas bite hole in boat off the Iberian coast

‘A group of orcas slammed into a sailing boat off the Iberian Coast, tearing a hole in the bottom of the ship. Orcas sank three boats earlier this year, among other attacks. CNN’s Christina Macfarlane reports….’  (CNN)

Why birds and their songs are good for our mental health

Unknown‘Two studies published last year in Scientific Reports said that seeing or hearing birds could be good for our mental well-being…

Research has consistently shown that more contact and interaction with nature are associated with better body and brain health.

Birds appear to be a specific source of these healing benefits. They are almost everywhere and provide a way to connect us to nature. And even if they are hidden in trees or in the underbrush, we can still revel in their songs….’ (Richard Sima, Washington Post )