Violet-green Swallow

Violet-green Swallow Tachycineta thalassina

Abundance map

Violet-green Swallow, Abundance map
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Data provided by eBird

Violet-green Swallow

Tachycineta thalassina

Abundance

This map depicts the seasonally-averaged 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
Year-round
0.27
2.13
1,071.32
Breeding season
May 10 - Jul 13
0.27
2.13
1,071.32
Non-breeding season
Nov 16 - Jan 25
0.27
2.13
1,071.32
Pre-breeding migratory season
Feb 1 - May 3
0.27
2.13
1,071.32
Post-breeding migratory season
Jul 20 - Nov 9
0.27
2.13
1,071.32
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
Learn more