↑ R. East and R. P. Pottinger (November 1975). "(Sturnus vulgaris L.) predation on grass grub (Costelytra zealandica (White), Melolonthinae) populations in Canterbury". New Zealand Journal of Agricultural Research (The Royal Society of New Zealand) 18 (4) : 417–452. ISSN 0028-8233. (See p. 429.)
↑ Craig, Adrian; Feare, Chris (2009). "Family Sturnidae (Starlings)". In del Hoyo, Josep; Elliott, Andrew; Christie, David. Handbook of the Birds of the World. Volume 14: Bush-shrikes to Old World Sparrows. Barcelona: Lynx Edicions. pp. 654–709. ISBN 978-84-96553-50-7.
1 2 3 Feare, Chris; Craig, Adrian (1999). Starlings and Mynas. Princeton University Press. ISBN 0-7136-3961-X.
