Sandwich Tern

Sandwich Tern Thalasseus sandvicensis

Abundance map

Sandwich Tern, Abundance map
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Data provided by eBird

Sandwich Tern

Thalasseus sandvicensis

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
Year-round
0
2.24
3,039.89
Breeding season
May 3 - Jul 6
0
2.24
3,039.89
Non-breeding season
Nov 23 - Feb 15
0
2.24
3,039.89
Pre-breeding migratory season
Feb 22 - Apr 26
0
2.24
3,039.89
Post-breeding migratory season
Jul 13 - Nov 16
0
2.24
3,039.89
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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