This usually shy species was singing from the top of a distant tall tree. This is the nominate race which breeds in southern Alaska and western Canada. It is part of a group of subspecies characterized by small size, gray flanks, and contrasting brown upperparts. Canon PowerShot SX50 HS.
References:
Collar, N. (2017). Hermit Thrush (Catharus guttatus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/node/58376 on 22 July 2017).
Dellinger, Rachel, Petra Bohall Wood, Peter W. Jones and Therese M. Donovan.(2012).Hermit Thrush (Catharus guttatus), The Birds of North America (P. G. Rodewald, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/herthr