Stone Circle winter crow

He approached the pack's borders carrying a carefully-wrapped gift, a token of their intentions toward the locals of the valley. This would be the first pack of many graced by the Sundagger's greetings. Acheron intended to make a good show of it.

His tail waved when he spotted the lone pale figure near the outskirts of the border, and he slowed. Hello, Acheron called out politely, careful not to let the pelt unravel. What is this pack called?