Article - Chicken and Compasssion?

How To Speak Chicken: how chickens deal with trauma, death, and mourning

Excerpt:

....

"Still, for days after a hen dies, it is not uncommon for those who were closest to her to mourn the loss of their friend. From the safety of the coop, they call out, using the same sound that means “Where are you?” when they are free-ranging in the yard and can’t find a missing member of the flock. A grieving hen avoids interacting with the flock and sits in a corner with puffed-up feathers like a chicken that feels ill." ....