DUTCH 
BIRDING 
Quarterly journal 
□ Excellent papers on Identification , 
distribution, movements and 
behaviour of Palearctic birds. 
n Latest news on rare birds in the 
Netherlands and Belgium. 
□ In English or with English summaries, 
n Well produced with numerous high 
quality photographs. 
For information write to: 
Dutch Birding, Postbus 5611, 
1007 AP Amsterdam, 
Netherlands. 
Krister Mild Bioacoustics 1 990 
Digitally recorded songs and calls of 1 14 species on two 
C-90 cassettes, with explanatory booklet and seasoned 
checklist of Israeli birds 1980-1989, in an attractive slip 
case. Many of these vocalisations have not been previously 
published. UK price £24.95 including p&p. Air mail 
price £28.95. 
Five per cent of the retail price will be donated to OSME's 
Conservation Research Fund for each sale made under 
this offer. Please send your order with payment to: Bird 
Recording Services/OSME Offer, PO Box 942, London 
E10 6RZ, UK. 
Now available 
Bird Songs 
of Israel 
and the Middle East 
48 
