Eastern Bonelli's Warbler
Eastern Bonelli's Warbler
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The Eastern Bonelli's Warbler is a near-identical counterpart to the Western Bonelli's Warbler, distinguishable primarily by its song and subtle plumage variations. It prefers similar open woodland habitats.
Where to spot
Breeds in Southeastern Europe and parts of the Middle East, preferring open deciduous and mixed woodlands, often in hilly or mountainous terrain. Winters in tropical East Africa.
How to spot
Visually very similar to Western Bonelli's Warbler, with greyish-green upperparts, pale underparts, and a yellowish-green rump. The key to identification is its song: a rapid, churring 'chick-a-chick-a-chick-a' or a more drawn-out trill, distinctly different from the Western species.
When to spot
Present in breeding grounds from spring to late summer. Migratory passage occurs in spring and autumn.
Where to spot
Breeds in Southeastern Europe and parts of the Middle East, preferring open deciduous and mixed woodlands, often in hilly or mountainous terrain. Winters in tropical East Africa.
How to spot
Visually very similar to Western Bonelli's Warbler, with greyish-green upperparts, pale underparts, and a yellowish-green rump. The key to identification is its song: a rapid, churring 'chick-a-chick-a-chick-a' or a more drawn-out trill, distinctly different from the Western species.
When to spot
Present in breeding grounds from spring to late summer. Migratory passage occurs in spring and autumn.
Credits:
Door Telegro - Eigen werk, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=71425754
Despite their near-identical appearance, the Eastern and Western Bonelli's Warblers are reproductively isolated, relying on their distinct songs to avoid interbreeding.
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