Black-Throated Loon (Arctic Loon) - Gavia arctica - Parelduiker
Eurasia and Alaska. Winters to Southern Europe, China and Japan.

The following 2 subspecies are being recognised:
Gavia arctica arctica - West-Paleartic east to Lena River. Winters to Northwest- and South-Europe;
Gavia arctica viridigularis - East-Palearctic and West-Alaska. Winters to China, Japan, Korea and probably Baja California.

Of this species there are no Zoo Photo's available.