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Barn Swallow

Barn Swallow

Hirundo rustica

Abundance animation

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Data provided by eBird

Barn Swallow

Hirundo rustica

Abundance

This map animates weekly estimated relative abundance, defined as the expected count on a one-hour, one kilometer eBird Traveling Count conducted at the ideal time of day for detection of that species in a region.  Learn more

Relative abundance
birds per km/hr
0.21
2.79
437.81
Week of the year