Bufflehead

Bucephala albeola

The bufflehead is a small sea duck of the genus Bucephala, the goldeneyes. It breeds in Alaska and Canada and migrates in winter to southern North America. This species was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae as Anas albeola. Source

Where is the Bufflehead now?

In the last 8 weeks it was recorded 384 times across 23 areas (each area is a 5 degree square).

See the Bufflehead on the live map

How the Bufflehead moves through the year

Over the weeks it was present in the past year, its centre in North America ranged from 35°N in December to 57°N in November, about 2,400 km apart.

When does the Bufflehead arrive?

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

Download every area as CSV · Review these arrival dates (researchers, ORCID sign-in)

Arriving at the same time in North America

• Dark-eyed Junco Junco hyemalis
• Golden-Crowned Kinglet Regulus satrapa
• Swamp Sparrow Melospiza georgiana
• Greater White-fronted Goose Anser albifrons
• Winter Wren Troglodytes hiemalis
• American Tree Sparrow Spizelloides arborea
• Gadwall Mareca strepera
• Common Redpoll Acanthis flammea

Every arrival in North America, month by month

Related species

• Common Goldeneye Bucephala clangula

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured · How it compares with human observers