reading the signal…
Signals / Object / Street-level imagery
in Davis, CA·counted·157 all time
Small songbirds with brown, gray, or streaked plumage, commonly seen foraging in groups near people.
Counted, not streamed: Sparrows has no time series, so it is read as a footprint across places. All-time count by city.
Things that physically exist: street furniture, signs, buildings. All-time counts.