A brood of chicks of Phylloscopus schwarzi (Radde), Radde's Warbler, left the nest but at night sleep on a twig close together.

Willow thickets in the valley of a brook being a tributary of the Serebryanka River, the southern environs of the village Nerchinskii Zavod, Nerchinskozavodskoi District, E Chita Province, E Transbaikalia, Siberia, Russia. 6th August 1997. O. Kosterin.