Bonaparte's Gull

Bonaparte's Gull Chroicocephalus philadelphia

Range map

Bonaparte's Gull, Range map
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Data provided by eBird

Bonaparte's Gull

Chroicocephalus philadelphia

Range

This map depicts the range boundary, defined as the areas where the species is estimated to occur at a rate of 5% or more for at least one week within each season.  Learn more

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