Fruit flies are sensitive to the sight of their dead

Drosophila_melanogaster_Proboscis

Fruit flies spend their lives feeding on rotting fruit and corpses, yet seeing another dead fruit fly causes depression and earlier death among them. Watching other dead fruit flies quickens their aging process and shortens their lives by 30%.

 

Photo by: https://commons.wikimedia.org/wiki/File:Drosophila_melanogaster_Proboscis.jpg

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