Family Herons (Ardeidae)

Least Concern

Schrenck's Bittern (Ixobrychus eurhythmus)


French: Blongios de Schrenck German: Mandschurendommel Spanish: Avetorillo manchú

Ardetta eurhythma


, 1873,

Amoy and Shanghai, China




SE Siberia, E China, Korea and (now rare) Japan. Winters mainly from Malay Peninsula to Greater Sundas, Sulawesi and Philippines.

Descriptive notes

33–42 cm; 89–123 g; wingspan 48–59 cm. Small, dark heron (slightly larger than I. sinensis but smaller than I. cinnamomeus) with bright... read more


Poorly known, but rhythmic song of “gup, gup, gup” or “oo oo oo” notes in territory defence and... read more


Marshes with reedbeds, wet, grassy meadows, swamps in flat, open areas of low-lying river valleys... read more

Food and feeding

Little known. Small fish, frogs, shrimps, isopods, variety of insects and their larvae (dragonflies); also tadpoles. In uplands of... read more


Laying May–Jul in China and Russian Far East; season May–Aug in Japan. Solitary. Nests in grass near water, often on or very... read more


Migration towards winter quarters starts in Aug, with main passage through Hong Kong in Sept–... read more

Status and conservation

Not globally threatened (Least Concern). Previously considered Near Threatened, but no robust data available on population sizes. Global numbers have been estimated at c.... read more

Recommended citation

Martínez-Vilalta, A., Motis, A., Kirwan, G.M. & Bonan, A. (2020). Schrenck's Bittern (Ixobrychus eurhythmus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 17 January 2020).