Northern Rough-winged Swallow

Northern Rough-winged Swallow Stelgidopteryx serripennis

Abundance map

Northern Rough-winged Swallow, Abundance map
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Data provided by eBird

Northern Rough-winged Swallow

Stelgidopteryx serripennis

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 number of individuals detected by an eBirder during a traveling count at the optimal time of day.  Learn more

Relative abundance
Year-round
0.04
1.6
9.3
Breeding season
May 24 - Jul 13
0.04
1.6
9.3
Non-breeding season
Dec 7 - Jan 25
0.04
1.6
9.3
Pre-breeding migratory season
Feb 1 - May 17
0.04
1.6
9.3
Post-breeding migratory season
Jul 20 - Nov 30
0.04
1.6
9.3
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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