Alder Flycatcher

Alder Flycatcher Empidonax alnorum

Abundance map

Alder Flycatcher, Abundance map
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Data provided by eBird

Alder Flycatcher

Empidonax alnorum

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 28 - Jul 13
0
0.39
16.4
Non-breeding season
Nov 2 - Apr 19
0
0.39
16.4
Pre-breeding migratory season
Apr 26 - Jun 14
0
0.39
16.4
Post-breeding migratory season
Jul 20 - Oct 26
0
0.39
16.4
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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