Yellow-billed Loon
NameYellow-billed Loon
Common NameYellow-billed Loon
Scientific NameGavia adamsii
FamilyGaviidae
Wingspan (cm)147.5
Length (cm)86.5
Weight (g)5200
Plumage DetailsAdults in breeding plumage have a glossy black head and neck, a white breast and belly, and a black back adorned with neat rows of white spots and stripes. The most prominent feature is their large, pale yellow, upturned bill.
Vocalization / CallVocalizations include mournful wails, yodels, tremolos, and hoots, often described as deeper and more resonant than other loon species, used for territorial defense and communication.
Primary Dietpiscivore
Primary Habitatswetland, coastal, tundra
Conservation Statusnear-threatened
Geographic RangeBreeds in the high Arctic regions of North America (Alaska, Canada) and Eurasia (Russia). Winters along the coasts of the Pacific and Atlantic Oceans, extending south to temperate latitudes.
Identifying FeaturesLarge size, Pale yellow, upturned bill, Glossy black head and neck, White underparts, Black back with white spotting/striping
Description
The Yellow-billed Loon is the largest of the loon species, characterized by its striking black and white breeding plumage and distinctive pale yellow bill. These powerful swimmers are highly adapted for diving, spending most of their lives on water, where they hunt fish with remarkable agility.
