Tree Swallow
Tachycineta bicolor
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyHirundinidae (Swallows and Martins)
- GenusTachycineta (Tachycineta Swallows)
- SpeciesTachycineta bicolor (Tree Swallow)
Closest Relatives at Calakmul Biosphere Reserve
Mangrove Swallow
Tachycineta albilinea
Gray-breasted Martin
Progne chalybea
Purple Martin
Progne subis
Northern Rough-winged Swallow
Stelgidopteryx serripennis
Barn Swallow
Hirundo rustica
Cave Swallow
Petrochelidon fulva
Cliff Swallow
Petrochelidon pyrrhonota
Brown Jay
Psilorhinus morio
Magnolia Warbler
Setophaga magnolia
Social Flycatcher
Myiozetetes similis
White-eyed Vireo
Vireo griseus
Clay-colored Thrush
Turdus grayi
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
Quick answers
What are the chances of seeing a Tree Swallow in Calakmul Biosphere Reserve?
About 1% of visitor-days record a Tree Swallow sighting in Calakmul Biosphere Reserve, based on 7 observer-days of citizen-science data from GBIF.
When is the best time to see Tree Swallow in Calakmul Biosphere Reserve?
February has the highest sighting rate for Tree Swallow in Calakmul Biosphere Reserve in our monthly data.