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Article
Eric W. M. Stienen, Auteur ; Alex Brenninkmeijer, AuteurThe mortality of Sandwich tern Sterna sandvicensis chicks held in enclosures was studied in colonies on Griend, in the Dutch Wadden Sea, from 1992 to 1999, and on Hirsholm, in the Danish Kattegat, in 1997. Survival of chicks until fledging was 7[...]
Article
Eric W. M. Stienen, Auteur ; Alex Brenninkmeijer, AuteurThe breeding numbers of Common Tern in the Netherlands during the course of the 20th century are reviewed. The current size of the Dutch population is about 12,000-13,000 pairs, down from around 45,000 in the 1930s. Most colonies are situated al[...]
