Northern Rough-winged Swallow

Northern Rough-winged Swallow Stelgidopteryx serripennis

Abundance animation

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Data provided by eBird

Northern Rough-winged Swallow

Stelgidopteryx serripennis

Abundance

Estimates of relative abundance for every week of the year animated to show movement patterns. Relative abundance is the estimated number of individuals detected by an eBirder during a traveling count at the optimal time of day for each species.  Learn more

Relative abundance
0.33
4
15
Week of the year