Where’s Wildlife · Bird Field Guide
Field Sparrow
Spizella pusilla
Pronounced (approx.): spy-ZEL-uh pyoo-SIL-uh
A small sparrow of brushy grasslands, often noticed by its accelerating song.
Three Identification Clues
A pink bill and a neat white ring around the eye.
Adults have a rusty cap and a rusty line behind the eye on a grayish face.
Adult underparts are mostly plain; juveniles can have breast streaks.
Field Photographs
Showing all 7 photographs.
Beyond the first impression
Plumage & Identification
A gentle-looking face is a useful clue
Look for a rounded head, small pink bill, and white ring around the eye. Adults combine a rusty cap and eye stripe with a relatively plain, softly colored breast. Two faint wingbars are useful supporting marks, but the face usually offers a clearer starting point. [1]
Young birds and look-alikes
A juvenile can be streaked below and lack the adult's rich crown color. Winter Chipping Sparrows may also have pinkish bills, but show a stronger dark eye line. Compare several views in our Chipping Sparrow guide instead of identifying either bird from bill color alone. [1] [4]
Life history
How This Bird Lives
Where to look
Choose an overgrown field with scattered shrubs and low singing perches, not a completely treeless lawn. Early on a spring morning, listen for clear whistles that accelerate like a bouncing ball. A male may sing from a fence or small tree before dropping back into cover. [3] [4]
Food & foraging
Small seeds are important in winter; insects become more prominent in warmer weather. A bird can land high on a grass stem and bend it to the ground with its weight, holding the seed head within reach. Nestlings receive insects and spiders rather than an adult's winter menu. [2]
Nests move upward through the season
The female weaves a cup of grasses. Early nests may sit on the ground; later attempts often move into shrubs as foliage thickens. A pair builds a new nest for another attempt rather than simply adding eggs to the old one. [2] [3]
Usually 3–5 eggs are laid. Both parents feed the young, which may leave the nest at about a week old before they can fly well. Please keep to paths rather than searching through occupied nest cover. [4]
Did you know?
A Closer Look at Field Sparrows
A familiar territory
A surviving male often returns to the same breeding territory. Females are less faithful to a particular site, and young birds rarely return to their birthplace the following year. [3]
A connection to Cowbirds
Brown-headed Cowbirds sometimes lay eggs in Field Sparrow nests. The responses of these small hosts vary, illustrating the nesting strategy described in our Cowbird guide. [3]
An opening has a limited lifetime
A field can provide habitat while grasses and scattered shrubs grow back, then become unsuitable as dense trees take over. The amount and arrangement of woody growth matter, not simply the presence of grass. [2]
Sources: [1] Cornell · Identification [2] Cornell · Life history [3] Cornell · Species overview [4] Audubon · Field guide
Range & Sightings
Seasonal Range
View Range Map ↗Recorded Observations
Observation records are not a complete seasonal range map.
iNaturalist observation map ↗