Booted Warbler vs Icterine Warbler

In short

The Booted Warbler and Icterine Warbler can be distinguished by their structure and plumage. The Booted Warbler has a shorter primary projection and a more subdued plumage compared to the Icterine Warbler, which has a longer primary projection and brighter yellowish tones.

Identification tips

1. Primary Projection: Icterine Warbler has a longer primary projection beyond the tertials. 2. Plumage Tone: Look for the brighter yellowish tones in Icterine Warbler. 3. Supercilium: Icterine Warbler has a more pronounced supercilium. 4. Habitat: Consider the habitat; Booted Warbler is more likely in open areas, Icterine in wooded areas. 5. Song: Listen for the more melodious song of the Icterine Warbler with mimicry elements.

Size

The Icterine Warbler is slightly larger than the Booted Warbler.

Plumage

Booted Warbler has a more muted brownish-grey plumage with a less distinct supercilium, while the Icterine Warbler shows brighter yellowish-green tones and a more pronounced supercilium.

Behaviour

Both species can be seen actively foraging in shrubs and trees, but the Icterine Warbler is more likely to be seen in taller trees.

Habitat

Booted Warbler prefers open scrub and grasslands, while Icterine Warbler is often found in deciduous woodlands and gardens.

Voice

The Booted Warbler's song is a series of varied notes, while the Icterine Warbler has a more melodious and varied song with mimicry.