Roseate Tern

Roseate Tern Sterna dougallii

Abundance map

Roseate Tern, Abundance map
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Data provided by eBird

Roseate Tern

Sterna dougallii

Abundance

This map depicts the seasonally-averaged 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.  Learn more

Relative abundance
Breeding season
May 24 - Aug 10
0
2.91
330.46
Non-breeding season
Not shown
0
2.91
330.46
Pre-breeding migratory season
Apr 12 - May 17
0
2.91
330.46
Post-breeding migratory season
Aug 17 - Oct 19
0
2.91
330.46
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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