Phylloscopus coronatus
The Eastern Crowned Warbler, *Phylloscopus coronatus*, is a sprightly and charismatic member of the leaf warbler family (Phylloscopidae), renowned for its vibrant olive-green plumage and distinctive head pattern. Measuring approximately 11-12.5 cm in length with a weight typically between 7-12 grams, this small passerine features a bright yellow supercilium, a dark eye-stripe, and often a subtle pale central crown stripe, providing excellent field marks. Its underparts are whitish to pale yel...
Found in deciduous and mixed broadleaf forests, woodlands, and groves, often near water sources, primarily at low to moderate elevations. Prefers areas with a well-developed understory for foraging and nesting.
Primarily insectivorous, feeding on a wide variety of small insects and their larvae, including caterpillars, beetles, flies, and aphids, as well as spiders. Forages mainly by gleaning from foliage and twigs, and by aerial hawking.
Eastern Crowned Warblers are highly active diurnal foragers, constantly gleaning insects from foliage and twigs in the canopy and mid-story. They also frequently sally out to hawk flying insects, displaying remarkable agility. During the breeding season, males defend their territories vigorously ...
The Eastern Crowned Warbler has an extensive breeding range across Northeast Asia, encompassing eastern Siberia (specifically Amurland, Ussuriland), Sakhalin Island, the Korean Peninsula, northern and central Japan (Hokkaido, Honshu), and northeastern China. Following the breeding season, they un...
Least Concern
- The Eastern Crowned Warbler is a remarkable long-distance migrant, traveling thousands of kilometers between its breeding grounds in Northeast Asia and wintering grounds in Southeast Asia. - It is one of the most frequently recorded Old World warbler vagrants in North America, particularly in t...