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Lesser Scaup (Aythya affinis)
Birds Around Las Vegas, Wildlife Around Las Vegas
Lesser Scaup (Aythya affinis)
Lesser Scaup male

General Description: Lesser Scaup (Aythya affinis) are small, sexually dimorphic pond ducks. Males have white sides, and otherwise are black. The bill is bluish and uniform in color (compare with Ring-necked Duck). Females are mottled brown overall with white around the dark bill. In flight, both genders show white on the trailing half of the secondaries (primaries are all black; again, compare with Ring-necked Duck).

Taxonomy: Anseriformes, Anatidae, Anatinae

Favored Habitat: Inland ponds and marshes.

Lesser Scaup (Aythya affinis)
Lesser Scaup female

Where to Find: Lesser Scaup are not common around Las Vegas, but look for them at the Henderson Bird Viewing Preserve, the Pahranagat Valley, and the Overton Wildlife Management Area.

Comments: Difficult to tell from Greater Scaup. Lesser Scaup are more likely to be seen around Las Vegas because they tend to be more inland than Greater Scaup. Lesser Scaup males may show a purple gloss on the head, whereas Greater Scaup show a green gloss. Lesser Scaup have a bit of a peaked head, whereas the head of a Greater Scaup is more rounded.

Lesser Scaup (Aythya affinis) If you were a tasty snail or a little clam, this might be the last face you ever see!
Lesser Scaup (Aythya affinis)
Lesser Scaup female (left) and male (right)
Lesser Scaup (Aythya affinis)
Lesser Scaup male with purple gloss on head
Lesser Scaup (Aythya affinis)
Two Lesser Scaup females
Lesser Scaup (Aythya affinis)
Lesser Scaup male; note purple gloss on head.
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis) Lesser Scaup (Aythya affinis)
Lesser Scaup (Aythya affinis)
Lesser Scaup; Dunedin, Florida
Lesser Scaup (Aythya affinis)
Lesser Scaup; Homosassa Springs, Florida
Lesser Scaup (Aythya affinis)
Lesser Scaup; Balmorhea, Texas
Lesser Scaup (Aythya affinis)
Lesser Scaup, Sunset Park, Urban Las Vegas
Lesser Scaup (Aythya affinis)
Lesser Scaup, Sunset Park, Urban Las Vegas
Lesser Scaup (Aythya affinis)
Lesser Scaup on parade, Sunset Park, Urban Las Vegas

Note: All distances, elevations, and other facts are approximate.
copyright; Last updated 130917

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