安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Greater Scaup Identification, All About Birds, Cornell Lab of Ornithology
During migration and winter, Greater Scaup form large flocks on bays, lakes, and larger wetlands They tend to form tight groups with each other and sometimes mix with other diving ducks
- Greater scaup - Wikipedia
The greater scaup (Aythya marila), just scaup in Europe or, colloquially, "bluebill" in North America, [3] is a mid-sized diving duck, larger than the closely related lesser scaup and tufted duck
- Greater or Lesser Scaup? Here Are the Biggest Differences Between the . . .
Once Ring-necked and Tufted Ducks are out of the running, you’re left with the pair that’s toughest to tell apart: scaup During winter, location can be a deciding factor Greater Scaup tend to choose saltwater bodies, while Lesser Scaup are found in freshwater zones further inland
- Greater Scaup - eBird
Round-headed diving duck Males have black breast, medium gray back, white sides, and yellow eye Head appears black with a greenish sheen in good lighting, never purplish Females are brown overall, grayer on body in winter, with white patch at base of bill and yellow eye
- Lesser Scaup vs Greater Scaup: Key Identification Field Marks
Explore key field marks that separate the Lesser Scaup and Greater Scaup, including head shape, wing stripe, and subtle plumage differences
- Greater Scaup - Ducks Unlimited
The Greater Scaup is a medium-sized diving duck with a circumpolar breeding distribution across North America, Europe, and Asia They are difficult to distinguish from the Lesser Scaup
- Scaup Duck Facts | Aythya Marila - The RSPB Wildlife Charity
Scaups are diving ducks with a resemblance to tufted ducks Only a handful breed in the UK every year, making them our rarest breeding ducks Find out more
- Tufted Duck, Greater Scaup and Lesser Scaup photo ID guide
Tufted Duck is common and widespread in Britain, but hidden among them could be the scarce Greater Scaup or rare Lesser Scaup – learn to pick them out using Andy Stoddart's definitive guide
|
|
|