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 →
<5% of wildlife watchers report a Ruby-crowned Kinglet sighting in Katmai National Park, based on 6 days of visitor records from GBIF citizen-science data.
Closest Relatives at Katmai National Park
Golden-crowned Kinglet
Regulus satrapa
Black-billed Magpie
Pica hudsonia
Common Raven
Corvus corax
White-crowned Sparrow
Zonotrichia leucophrys
American Robin
Turdus migratorius
Yellow-rumped Warbler
Setophaga coronata
Wilson's Warbler
Cardellina pusilla
Golden-crowned Sparrow
Zonotrichia atricapilla
Orange-crowned Warbler
Leiothlypis celata
Savannah Sparrow
Passerculus sandwichensis
Gray Jay
Perisoreus canadensis
Tree Swallow
Tachycineta bicolor
📅 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 Katmai National Park?
About 4% of wildlife watchers report a Ruby-crowned Kinglet sighting in Katmai National Park, based on 6 days of visitor records from GBIF citizen-science data.
When is the best time to see Ruby-crowned Kinglet in Katmai National Park?
June has the highest sighting rate for Ruby-crowned Kinglet in Katmai National Park in our monthly data.