... -77%; Ringmus Passer montanus: -82%; Boerenzwaluw Hirundo rustica: -69%; Zomertortel Streptopelia turtur: -61%. De Grauwe Gors Miliaria ...
Story - Henk Tennekes - 23/11/2011 - 13:27 - 0 comments - 0 attachments
Het gaat niet goed met de boerenzwaluw Hirundo rustica in Vlaanderen. De populatie wordt nu geschat op 20 à 30.000 broedparen ...
Story - Henk Tennekes - 05/11/2011 - 06:23 - 0 comments - 1 attachment
... zwaluwen (o.m. huiszwaluw Delichon urbicum en boerenzwaluw Hirundo rustica) en kwikstaarten Motacillidae (witte kwikstaarten Motacilla alba eten ...
Story - Henk Tennekes - 22/10/2011 - 12:38 - 0 comments - 0 attachments
... 50%, Kievit Vanellus vanellus 40%, Boerenzwaluw Hirundo rustica 50-75%, Zomertortel Streptopelia turtur 85%, Veldleeuwerik Alauda ...
Story - Henk Tennekes - 24/10/2011 - 14:18 - 0 comments - 0 attachments
... Apus apus, Mehlschwalbe Delichon urbicum und Rauchschwalbe Hirundo rustica zeigen seit den 1990er Jahren weitgehend parallele Bestandsrückgänge. ...
Story - Henk Tennekes - 31/10/2011 - 15:48 - 0 comments - 0 attachments
... gehoord rond Lochem. Ook cultuurvolgers als Boerenzwaluw Hirundo rustica, Huiszwaluw Delichon urbicum en Huismus Passer domesticus volgen deze ...
Story - Henk Tennekes - 22/10/2011 - 11:40 - 0 comments - 0 attachments
... invertebrates, and may have contributed to barn swallow Hirundo rustica population declines, and possibly those of other aerial insectivores. ...
Story - Henk Tennekes - 27/10/2011 - 04:17 - 0 comments - 0 attachments
... Delichon urbicum; Pirol Oriolus oriolus; Rauchschwalbe Hirundo rustica; Rotschenkel Tringa totanus; Schilfrohrsänger Acrocephalus ...
Story - Henk Tennekes - 13/11/2011 - 18:06 - 0 comments - 0 attachments
Barn swallows (Hirundo rustica) are arriving later in the spring than they did 30–40 years ago at ...
Story - Henk Tennekes - 05/11/2011 - 06:31 - 0 comments - 0 attachments
... Schwalben (Hirundinidae), zu der auch die Rauchschwalben Hirundo rustica, Uferschwalben Riparia riparia und Felsenschwalben Ptyonoprogne ...
Story - Henk Tennekes - 27/10/2011 - 09:02 - 0 comments - 0 attachments
