Dusky Flycatcher

Dusky Flycatcher Empidonax oberholseri

Abundance map: Pre-breeding migration

Dusky Flycatcher, Abundance map: Pre-breeding migration
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Data provided by eBird

Dusky Flycatcher

Empidonax oberholseri

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 15 - Jun 14 Learn more