Tree Swallow

Tree Swallow Tachycineta bicolor

Abundance map

Tree Swallow, Abundance map
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Data provided by eBird

Tree Swallow

Tachycineta bicolor

Abundance

This map depicts the seasonally-averaged estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region.  Learn more

Relative abundance
Year-round
0
2.23
53,206.21
Breeding season
May 24 - Jun 21
0
2.23
53,206.21
Non-breeding season
Dec 7 - Jan 18
0
2.23
53,206.21
Pre-breeding migratory season
Jan 25 - May 17
0
2.23
53,206.21
Post-breeding migratory season
Jun 28 - Nov 30
0
2.23
53,206.21
Note: Seasonal ranges overlap and are stacked in the order above; view full range in season maps.
Seasons timeline
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