Bad moods could be contagious among ravens

The birds seem to pick up on and share negative emotions, but not positive ones

raven

MISERY’S COMPANY Ravens, known for their problem-solving prowess, also act in ways that suggest empathy. New research hints that an ability to share emotions, at least negative ones, may play into their social behavior. 

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Here’s a downer: Pessimism seems contagious among ravens.