Bird Identifier
Grasshopper Sparrow
Order: Passeriformes, Family: Passerellidae

Grasshopper Sparrow

Ammodramus savannarum

A small, secretive sparrow with a flat head and short tail, often difficult to flush from tall grassland habitats.

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Plumage & appearance

Buffy-orange face with a pale crown stripe, yellowish patch in front of the eye (lores), fine streaks on the breast, and a relatively short, sharp tail. Sexes look similar; juveniles lack the breast streaking and have more heavily streaked underparts.

Key field marks

Buffy breast lacking heavy streaks, plain face with a yellow lore spot, short tail, and flat-headed appearance.

Size & weight

Length: 11-13 cm, Wingspan: 15-20 cm, Weight: 14-20 g

Voice — call & song

Song is a very high-pitched, insect-like trill or buzz resembling a grasshopper ('tit-tit-tit-z-z-z-z-z'). Call is a sharp 'tsick'.

Diet & foraging

Primarily insects (grasshoppers, beetles, caterpillars) during the breeding season, switching to grass seeds and weed seeds in winter.

Habitat

Dry, open grasslands, prairies, hayfields, and pastures with a mix of tall grasses and bare ground.

Migration & movement

Short to medium-distance migrant, departing northern breeding areas in autumn and returning in spring.

Nesting & breeding

Builds a cup nest on the ground hidden beneath dense grass clumps. Clutch size is 3-6 eggs. Breeding season spans from May to August.

Similar species

Savannah Sparrow, which has a more heavily streaked breast, white eyebrow, and a forked tail. Baird's Sparrow, which has a more ochre head and distinct necklace of dark streaks.

Ecological significance

Acts as an indicator species for the health of native grassland and prairie ecosystems.

Conservation status

Near Threatened globally, with declining populations due to habitat loss and agricultural intensification.

Observation tips

Listen for its distinctive, insect-like buzz in grasslands, and look for singing males perched prominently on tall grass stems or fence lines.

Interesting facts

The Grasshopper Sparrow gets its common name from its insect-like song, which sounds remarkably like the buzz of a grasshopper.

More like this

Other order: passeriformes, family: passerellidae birds