L. Forró szerk.: Miscellanea Zoologica Hungarica 7. 1992 (Budapest, 1992)
Báldi, A.; Waliczky, Z.: Zoological collectings by the Hungarian Natural History Museum in Korea. 108. A report on the collecting of the fifteenth expedition
Editor. Csaba Moskat Ecological Research Group, Hungarian Natural History Museum, Budapest, Baross u. 13. H-1088. Hungary ORNIS HUNGARICA Ornis Hungarica is published twice yearly by the Hungarian Ornithological and Nature Conservation Society. Ornis Hungarica publishes research reports and short articles on the ecology, behaviour and biogeography of birds. The geographical emphasis of Ornis Hungarica is on Hungary, East- and Central-Europe but papers from other regions will also be considered. Editorial Board: A Báldi, Budapest (technical editor) A G. Gosier, Oxford Z. Kalotas, Budapest T. Péchy, Budapest E. Schmidt, Budapest T. Székely, Debrecen M. D. F. Udvardy, Sacramento, CA L. Vanicsek, Budapest Waliczky, Z.: Bird community changes in different-aged oak forest stands in the Buda-hills (HunSzékely, T. & Moskát, C: Guild structure and seasonal changes in foraging behaviour of birds in a Central-European oak forest Báldi, A & Csörgő, T.: Effect of environmental factors on tits wintering in a Hungarian marshland Szép, T. Monitoring of abundance and survival rate of Sand Martin (Riparia riparia) population in the upper reaches of the river Tisza, 1986-1990 Csörgő, T. & Molnár, Z.: Winter homing of Greenfinch (Carduelis chloris) Vanicsek, L. & Ludvig, É.: The method of running-averages in the study of breeding parameters: an example of the Blackbirds (Turdus merula) Horváth, G., Fischer, M. H. & Székely, T.: The delivery of surplus prey to the nest by a pair of Bee-eaters (Merops apiaster) Szép, T.: Study of spring migration by weather radar in Eastern Hungary Waliczky, Z.: Structure of avian communities in the forests of Szigetköz, Hungary Subscriptions: Annual subscription price for two issues is USD 25. The subscription price should be paid in advance to: Hungarian Ornithological and Nature Conservation Society, POSTABANK: 402-4131-916-01. Contents of Vol. 1. No. 1.1991: Contents of Vol. 2. No. 1.1992: