>

The article says they probably got it from eating infected birds, but still disturbing
From the article:

Three juvenile grizzly bears tested positive for the highly pathogenic avian influenza (HPAI) virus this fall.
Montana Fish Wildlife and Parks say the three bears, one near Augusta, one near Dupuyer, and another near Kalispell, were observed to be in poor condition and exhibited disorientation and partial blindness, among other neurological issues. They were euthanized due to their sickness and poor condition. >

Shit, three different locations. >

The implications are disturbing.