I have 2 Australorp hens that are hopelessly attached to each other. Molly and Tillie. If these two don't sleep next to each other, Molly will peck everybody's eyes out! They are NEVER too far from each other as they go about their day. Not too long ago I had to take Tillie into the vet for some bumblefoot surgery that had gotten completely out of control. Anyway, Molly watched me carry Tillie off down the path, and Molly was very distressed. Molly screamed and called for Tillie all day! She wouldn't even eat treats she was so stressed. She called and called, running around to every corner, every spot in the garden, just full of anxiety that her best pal Tillie was gone.
Well later that day when I finally brought Tillie home, there was Molly waiting at the gate. Pacing back and forth and could hardly wait for me to put Tillie down. Well, Tillie took one look at Molly and after a beak to beak thing, Tillie high tails it as fast as she can to the coop. She had been pinching off an egg ALL DAY! LOL
Molly immediately relaxed and began eating. Tillie eventually joined her after she laid that egg.