Savannah Sparrow
The Savannah sparrow (Passerculus sandwichensis) is a small New World sparrow. It was the only member of the genus Passerculus and is typically the only widely accepted member. Comparison of mtDNA NADH dehydrogenase subunit 2 and 3 sequences indicates that the Ipswich sparrow, formerly usually considered a valid species (as Passerculus princeps), is a well-marked subspecies of the Savannah sparrow, whereas the southwestern large-billed sparrow should be recognized as a distinct species (Passerculus rostratus).The…
Wikipedia ↗Wingspan and trait data: Fox et al. (2026), CC BY 4.0; incorporating AVONET (Tobias et al. 2022) and BirdWingData (Shiomi et al. 2025)

By hour of day
Counts reflect vocal activity and ambient noise, not abundance.
Recent days
Daily counts. Seasonal bars replace this once there is a year of records to draw them from.
Where heard
Home and away are counted separately everywhere except here.
Where it lives
Breeding and resident range, from BirdWeather. Not where you have heard it — that is the map on the Outings page.
Elsewhere
Recordings
Highest-confidence detections first. Confidence is a threshold, not a probability of being correct.