Fox Sparrow
Passerella iliaca
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPasseriformes
- FamilyPasserellidae (New World Sparrows)
- GenusPasserella
- SpeciesPasserella iliaca (Fox Sparrow)
Closest Relatives at Yellowstone National Park
Chipping Sparrow
Spizella passerina
Dark-eyed Junco
Junco hyemalis
White-crowned Sparrow
Zonotrichia leucophrys
Savannah Sparrow
Passerculus sandwichensis
Vesper Sparrow
Pooecetes gramineus
Lincoln's Sparrow
Melospiza lincolnii
Green-tailed Towhee
Pipilo chlorurus
Song Sparrow
Melospiza melodia
Brewer's Sparrow
Spizella breweri
Golden-crowned Sparrow
Zonotrichia atricapilla
Lark Sparrow
Chondestes grammacus
Spotted Towhee
Pipilo maculatus
📅 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 Fox Sparrow in Yellowstone National Park?
About 1% of visitor-days record a Fox Sparrow sighting in Yellowstone National Park, based on 46 observer-days of citizen-science data from GBIF.
When is the best time to see Fox Sparrow in Yellowstone National Park?
April has the highest sighting rate for Fox Sparrow in Yellowstone National Park in our monthly data.