BEIJERSBERGEN R (1994) Current research: Breeding birds on the high place: separation prevents disease. LIMOSA 67 (1): 35-36.

Little Tern Sternula albifrons = Sterna albifrons Common Tern Sterna hirundo Sandwich Tern Thalasseus sandvicensis = Sterna sandvicensis Black-headed Gull Chroicocephalus ridibundus = Larus ridibundus Breeding birds on the high place: separation prevents disease With the high place, an elevated sandbar identified, located in the Westerschelde in Breskens. This record gets in the summer partly covered with tide mark and vegetation Sand couch

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