Cassin's Kingbird

Cassin's Kingbird Tyrannus vociferans

Abundance map: Post-breeding migration

Cassin's Kingbird, Abundance map: Post-breeding migration
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Data provided by eBird

Cassin's Kingbird

Tyrannus vociferans

Abundance: Post-breeding migration

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, averaged across the post-breeding migration season.  Learn more

Relative abundance
Post-breeding migratory season
0
0.78
9.35
Season date range
Jul 20 - Nov 23 Learn more