Harlequin Duck

Harlequin Duck Histrionicus histrionicus

Abundance animation

The Cornell Lab logo
Data provided by eBird

Harlequin Duck

Histrionicus histrionicus

Abundance

This map animates weekly estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region on the specified date.  Learn more

Relative abundance
0
2.3
49.12
Week of the year