Common goldeneye

Scientific name: Bucephala clangula

How weight is recorded: Whole weight

Field notes

Appearance

Males are striking with glossy dark-green heads, white breasts and flanks, and a distinctive round white cheek patch. Females are duller brown-grey with chocolate-brown heads and a smaller white patch; both sexes show white wing bars in flight.

Size and weight

Males 43–50 cm, 1.0–1.2 kg; females 38–46 cm, 0.8–1.0 kg.

Habitat

Common goldeneyes inhabit freshwater lakes, rivers, and coastal waters with clear depths suitable for diving. They prefer areas with nearby wooded shores for nesting cavities and minimal human disturbance.

Distribution

Circumpolar breeders across northern temperate and boreal zones (North America, Europe, Asia); winter range extends southward into temperate and occasionally subtropical waters; coastal and inland populations have distinct migratory corridors.

Diet

Goldeneyes dive for aquatic invertebrates (chironomid larvae, mayfly nymphs, amphipods) and small fish; diet shifts seasonally based on prey availability in their waterbody.

Behaviour

Highly aquatic and gregarious, goldeneyes are active during daylight hours and form tight flocks outside breeding season. They are strong, fast fliers with characteristic whistling wing-beat sounds and dive suddenly when alarmed.

Hunting tips

Glass open water early and late in the day when birds are most active; approach from downwind using boat cover or natural shoreline terrain. Decoys are highly effective; position them in deeper water where goldeneyes naturally congregate. These birds flush explosively and fly fast and low—lead well ahead and aim for the head.

Whole weight

This species is logged by whole weight — the animal weighed entire, as taken.

Where it is hunted

Listed as huntable in 10 countries in Huntify.

Names in other languages

These field notes are general species knowledge, not legal advice. Always check the current seasons, quotas and firearm rules where you hunt.