Northern Beardless-Tyrannulet

Northern Beardless-Tyrannulet Camptostoma imberbe

Abundance map: Pre-breeding migration

Northern Beardless-Tyrannulet, Abundance map: Pre-breeding migration
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Data provided by eBird

Northern Beardless-Tyrannulet

Camptostoma imberbe

Abundance: Pre-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 pre-breeding migration season.  Learn more

Relative abundance
Pre-breeding migratory season
Season date range
Mar 1 - Apr 12 Learn more