Western Bluebird

Western Bluebird Sialia mexicana

Abundance map

Western Bluebird, Abundance map
The Cornell Lab logo
Data provided by eBird

Western Bluebird

Sialia mexicana

Abundance

Relative abundance is depicted for each season along a color gradient from a light color indicating lower relative abundance to a dark color indicating a higher relative abundance. Relative abundance is the estimated average count of individuals detected by an eBirder during a 1 hour, 1 kilometer traveling checklist at the optimal time of day for each species.   Learn more about this data

Relative abundance
Year-round
0.04
1.8
5.5
Breeding season
Apr 26 - Sep 14
0.04
1.8
5.5
Non-breeding season
Dec 14 - Feb 8
0.04
1.8
5.5
Pre-breeding migratory season
Feb 15 - Apr 5
0.04
1.8
5.5
Post-breeding migratory season
Oct 12 - Dec 7
0.04
1.8
5.5
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
Learn more about seasons