Violet-green Swallow
Tachycineta thalassina
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyHirundinidae (Swallows and Martins)
- GenusTachycineta (Tachycineta Swallows)
- SpeciesTachycineta thalassina (Violet-green Swallow)
Closest Relatives at Redwood National Park
Tree Swallow
Tachycineta bicolor
Barn Swallow
Hirundo rustica
Cliff Swallow
Petrochelidon pyrrhonota
Northern Rough-winged Swallow
Stelgidopteryx serripennis
Purple Martin
Progne subis
Bank Swallow
Riparia riparia
Steller's Jay
Cyanocitta stelleri
Common Raven
Corvus corax
Song Sparrow
Melospiza melodia
Chestnut-backed Chickadee
Poecile rufescens
Pacific Wren
Troglodytes pacificus
American Robin
Turdus migratorius
📅 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 Violet-green Swallow in Redwood National Park?
About 19% of visitor-days record a Violet-green Swallow sighting in Redwood National Park, based on 420 observer-days of citizen-science data from GBIF.
When is the best time to see Violet-green Swallow in Redwood National Park?
May has the highest sighting rate for Violet-green Swallow in Redwood National Park in our monthly data.