Brewer's Sparrow

Brewer's Sparrow Spizella breweri

Abundance map

Brewer's Sparrow, Abundance map
The Cornell Lab logo
Data provided by eBird

Brewer's Sparrow

Spizella breweri

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
Year-round
0
1.09
24.84
Breeding season
Jun 7 - Jul 13
0
1.09
24.84
Non-breeding season
Nov 2 - Mar 15
0
1.09
24.84
Pre-breeding migratory season
Mar 22 - May 31
0
1.09
24.84
Post-breeding migratory season
Jul 20 - Oct 26
0
1.09
24.84
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
Learn more