Redhead
Aythya americana
total length
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- Mass
- 630–1500 gObie płcie — Cornell
The redhead breeds in North American wetlands, especially prairie-lake landscapes. Afterwards birds gather on larger waters and migrate through lakes, bays and
wzdłuż osi ciała · od końca dzioba do końca ogonaReference values · details in the profiles
Aythya americana
wzdłuż osi ciała · od końca dzioba do końca ogonaMeasurement: side
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The redhead breeds in North American wetlands, especially prairie-lake landscapes. Afterwards birds gather on larger waters and migrate through lakes, bays and quiet river sections. Wintering grounds include Gulf of Mexico coasts.
It eats aquatic plants, snails and bivalves. Large mixed diving-duck flocks form in winter.