Ruby-crowned Kinglet
Regulus calendula
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyRegulidae (Kinglets)
- GenusRegulus (Firecrests, Goldcrests, and Allies)
- SpeciesRegulus calendula (Ruby-crowned Kinglet)
The ruby-crowned kinglet (Corthylio calendula) is a very small passerine bird found throughout North America. It is a member of the kinglet family. The bird has olive-green plumage with two white wing bars and a white eye-ring. Males have a red crown patch, which is often concealed. The sexes are identical apart from the crown, and juveniles are similar in plumage to adult females. It is one of the smallest songbirds in North America. Wikipedia →
60–70% of wildlife watchers report a Ruby-crowned Kinglet sighting in Reserva de la Biosfera Mariposa Monarca, based on 119 days of visitor records from GBIF citizen-science data.
Closest Relatives at Reserva de la Biosfera Mariposa Monarca
Golden-crowned Kinglet
Regulus satrapa
Yellow-eyed Junco
Junco phaeonotus
House Finch
Haemorhous mexicanus
Slate-throated Redstart
Myioborus miniatus
Yellow-rumped Warbler
Setophaga coronata
Townsend's Warbler
Setophaga townsendi
Red Warbler
Cardellina rubra
American Robin
Turdus migratorius
Orange-crowned Warbler
Leiothlypis celata
Brown-backed Solitaire
Myadestes occidentalis
Vermilion Flycatcher
Pyrocephalus rubinus
Common Raven
Corvus corax
📅 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 Ruby-crowned Kinglet in Reserva de la Biosfera Mariposa Monarca?
About 64% of wildlife watchers report a Ruby-crowned Kinglet sighting in Reserva de la Biosfera Mariposa Monarca, based on 119 days of visitor records from GBIF citizen-science data.
When is the best time to see Ruby-crowned Kinglet in Reserva de la Biosfera Mariposa Monarca?
October has the highest sighting rate for Ruby-crowned Kinglet in Reserva de la Biosfera Mariposa Monarca in our monthly data.