Brewer's Sparrow
Spizella breweri
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyPasserellidae (New World Sparrows)
- GenusSpizella (Spizella Sparrows)
- SpeciesSpizella breweri (Brewer's Sparrow)
Closest Relatives at Rocky Mountain National Park
Chipping Sparrow
Spizella passerina
Clay-colored Sparrow
Spizella pallida
Dark-eyed Junco
Junco hyemalis
White-crowned Sparrow
Zonotrichia leucophrys
Lincoln's Sparrow
Melospiza lincolnii
Song Sparrow
Melospiza melodia
Green-tailed Towhee
Pipilo chlorurus
Vesper Sparrow
Pooecetes gramineus
Savannah Sparrow
Passerculus sandwichensis
Spotted Towhee
Pipilo maculatus
Fox Sparrow
Passerella iliaca
Lark Sparrow
Chondestes grammacus
📅 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 Brewer's Sparrow in Rocky Mountain National Park?
About 2% of visitor-days record a Brewer's Sparrow sighting in Rocky Mountain National Park, based on 131 observer-days of citizen-science data from GBIF.
When is the best time to see Brewer's Sparrow in Rocky Mountain National Park?
August has the highest sighting rate for Brewer's Sparrow in Rocky Mountain National Park in our monthly data.