Royal Tern

Royal Tern Thalasseus maximus

Abundance map

Royal Tern, Abundance map
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Data provided by eBird

Royal Tern

Thalasseus maximus

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
3.28
2,941.91
Breeding season
May 10 - Jul 27
0
3.28
2,941.91
Non-breeding season
Dec 7 - Feb 22
0
3.28
2,941.91
Pre-breeding migratory season
Mar 1 - May 3
0
3.28
2,941.91
Post-breeding migratory season
Aug 3 - Nov 30
0
3.28
2,941.91
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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