: Because they rely on healthy aquatic ecosystems, their population health is often a key indicator of water quality and the abundance of invertebrates in their habitat.
: They primarily breed in the boreal forests and parklands of Canada and Alaska, nesting in tall vegetation near water to hide from predators. b_094.mp4
Lesser Scaup Range - CWHR B094 [ds1429] * MAP. * HTML. * ArcGIS GeoServices REST API. * CSV. * ZIP. * GeoJSON. * KML. California Open Data (.gov) Dataset - California Open Data : Because they rely on healthy aquatic ecosystems,
: These ducks are among the last to migrate south in the fall and some of the first to return north in the spring, often traveling in massive flocks known as "rafts." 📍 Habitat and Conservation * HTML
The Lesser Scaup is often mistaken for its cousin, the Greater Scaup, but it is slightly smaller with a more peaked head. These "bluebills," as hunters often call them, are renowned for their remarkable diving abilities and extensive migration patterns.
: While still numerous, their populations have seen declines since the 1980s, prompting researchers to use datasets like B094 to track range changes and protect critical wetlands. 🦆 Summary Facts Description Common Name Lesser Scaup Scientific Name Aythya affinis Habitat Lakes, marshes, and bays Diet Aquatic invertebrates and seeds Key Identifier Peaked head and blue-gray bill Dataset - California Open Data