Upcher's Warbler vs Great Reed Warbler

In short

Upcher's Warbler and Great Reed Warbler can be distinguished primarily by size and habitat preference. The Great Reed Warbler is significantly larger and often found in reed beds, while Upcher's Warbler is smaller and prefers dry, shrubby areas.

Identification tips

• Size: Great Reed Warbler is noticeably larger.
• Habitat: Look for Great Reed Warbler in reed beds; Upcher's Warbler in dry, shrubby areas.
• Behavior: Great Reed Warbler is more likely to be seen in open, singing loudly; Upcher's Warbler is more secretive.
• Bill and Tail: Great Reed Warbler has a stronger bill; Upcher's Warbler has a slightly longer tail.

Size

The Great Reed Warbler is much larger, about 19 cm in length, compared to the smaller Upcher's Warbler, which is around 13 cm.

Plumage

Both species have generally similar brownish plumage, but the Great Reed Warbler appears bulkier with a more robust bill. Upcher's Warbler has a more delicate appearance with a slightly longer tail.

Behaviour

Great Reed Warblers are often seen clambering through reeds and are more conspicuous, while Upcher's Warblers are more likely to be seen flitting through bushes and shrubs.

Habitat

Great Reed Warblers are typically found in reed beds near water bodies, whereas Upcher's Warblers prefer dry, open scrub and woodland edges.

Voice

The Great Reed Warbler has a loud, harsh song, often delivered from a prominent perch, while Upcher's Warbler's song is more subdued and less frequently heard.