I. Throat gray, neck chestnut-brown. 319. Red-throated Loon. 
Il. Throat black. 
A. Head black, a white throat-band. 317. Loon. 
B. Head ashy. 318. Black-throated Loon. 
III. Throat whitish. 
A. Back spotted with white. 319. Red=throated Loon. 
B. Back margined with grayish. 
1. Wing over 13 inches long. 317. Loon. 
2. Wing under 13 inches long. 318. Black-throated Loon. 
Family 3. Avcmar. Murres, Auks, Puffins. 
One member of this family has been found on Lake Erie after a severe northeast storm. It 
is not likely that others will be found there again under normal conditions. Birds comprising this 
family are ocean birds, and being short winged, do not wander inland voluntarily. 
320. Brunnich Murre. 
