Henslow's Sparrow vs Song Sparrow

In short

Henslow's Sparrow and Song Sparrow can be distinguished by their distinct head patterns and habitat preferences. Henslow's Sparrow has a more olive-toned head with a flat crown, while the Song Sparrow shows a streaked brown crown and a more rounded head. Their vocalizations also differ significantly, with the Song Sparrow having a more melodic and varied song.

Identification tips

1. Look for the olive-toned head and flat crown of the Henslow's Sparrow. 2. Note the Song Sparrow's streaked brown crown and more robust build. 3. Listen for the Song Sparrow's melodic song compared to the simpler trill of the Henslow's Sparrow. 4. Consider habitat: grasslands for Henslow's, varied habitats for Song Sparrow.

Size

The Song Sparrow is generally larger and more robust than the smaller, more delicate Henslow's Sparrow.

Plumage

Henslow's Sparrow has a distinctive olive-colored head with fine streaking and a flat crown, while the Song Sparrow displays a streaked brown crown and a more heavily streaked breast and flanks. The Song Sparrow's plumage is more variable across its range but typically includes bold streaking.

Behaviour

Henslow's Sparrow is more secretive and often stays low in grasslands, while the Song Sparrow is more conspicuous, often seen perched in shrubs and singing.

Habitat

Henslow's Sparrow prefers open grasslands and prairies, often with dense ground cover, whereas the Song Sparrow is found in a wide range of habitats, including marshes, forest edges, and suburban gardens.

Voice

The Song Sparrow has a rich, melodic song with varied phrases, while Henslow's Sparrow has a simpler, insect-like trill.