Greater Scaup

Greater Scaup Aythya marila

Range map

Greater Scaup, Range map
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Data provided by eBird

Greater Scaup

Aythya marila


This map depicts the range boundary, defined as the areas where the species is estimated to occur at a rate of 5% or more for at least one week within each season.  Learn more

Breeding season
Jun 7 - Aug 31
Non-breeding season
Dec 14 - Jan 25
Pre-breeding migratory season
Feb 1 - May 31
Post-breeding migratory season
Sep 7 - Dec 7
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
Learn more