Bay-breasted Warbler
Setophaga castanea
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyParulidae (Parúlids)
- GenusSetophaga (Setophaga Warblers)
- SpeciesSetophaga castanea (Bay-breasted Warbler)
The bay-breasted warbler (Setophaga castanea) is a small species of songbird in the New World warbler family, Parulidae. It is one of 35 species in the diverse genus Setophaga. Like all songbirds, or passerines, the species is classified in the order Passeriformes. Wikipedia →
Closest Relatives at El Vizcaíno Biosphere Reserve
Yellow-rumped Warbler
Setophaga coronata
Yellow Warbler
Setophaga petechia
Northern Yellow Warbler
Setophaga aestiva
Audubon's Warbler
Setophaga auduboni
American Redstart
Setophaga ruticilla
Townsend's Warbler
Setophaga townsendi
Black-throated Gray Warbler
Setophaga nigrescens
Blackburnian Warbler
Setophaga fusca
Palm Warbler
Setophaga palmarum
Prairie Warbler
Setophaga discolor
Cape May Warbler
Setophaga tigrina
Hermit Warbler
Setophaga occidentalis
📅 Monthly Probability
Fewer than 5 records of Bay-breasted Warbler at El Vizcaíno Biosphere Reserve — not enough to chart months honestly.
☀️ 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