Red-throated Loon

Cornell’s All About Birds

Brighton Dam, March 30, 2016 Photo by Kurt Schwarz

Brighton Dam
March 30, 2016
Photo by Kurt Schwarz

Duckett Reservoir, March 31, 2018 Photo by Tony Van Schoor

Duckett Reservoir
March 31, 2018
Photo by Tony Van Schoor

Sonogram of Red-throated Loon Pigtail April 8, 2014 (by David Cummings)

Pigtail (PRSP)
April 8, 2
David Cummings

When possible, take a photo and make a sound recording and spectrogram.

Compare Common & Red-throated Photos by Nancy Magnusson

Compare Common & Red-throated Loon
Photos by Nancy Magnusson