Cooney Creek, Swan Valley, Condon, Montana, USA Several adult Brook Trout chase each other and forage in the mid-afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA An adult Brook Trout passes back and forth in front of the camera in the mid-afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA A large Brook Trout forages and churns up the river bottom in the morning before circling and threatening a rival later in the afternoon

Cooney Creek, Swan Valley, Condon, Montana, USA Several adult and Subadult Brook Trout circle each other while foraging in the early morning

Cooney Creek, Swan Valley, Condon, Montana, USA An adult and later a sub-adult Brook Trout approach the camera in the early morning