Grassland Sparrow - Ammodramus humeralis

Grassland Sparrow (Ammodramus humeralis)

Chapada Diamantina, Bahia, Brazil
July 2002

The Grassland Sparrow is found east of the Andes from Colombia to central Argentina but is missing from the Amazon Basin upstream from the rio Tapajós. It inhabits tall grasslands and cerrado.

It is a smallish streaked seedeater with yellow lores, a narrow white eye-ring and chestnut edging on the mantle and flight feathers. The very similar Yellow-browed Sparrow Ammodramus aurifrons has much more yellow on the face, has a different song and is found in different habitats.

The Grassland Sparrow usually runs and hops on the ground and is easily overlooked unless it perches to sing.

There are illustrations in Ridgely & Tudor, Volume 1, Plate 30; Hilty & Brown, Plate 56; and Sick, Plate 43.

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