Bonaparte's Gull

Bonaparte's Gull Chroicocephalus philadelphia

Abundance map

Bonaparte's Gull, Abundance map
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Data provided by eBird

Bonaparte's Gull

Chroicocephalus philadelphia

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
Jun 7 - Jul 13
0
1.55
617.37
Non-breeding season
Dec 21 - Feb 8
0
1.55
617.37
Pre-breeding migratory season
Feb 15 - May 31
0
1.55
617.37
Post-breeding migratory season
Jul 20 - Dec 14
0
1.55
617.37
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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