La Tour du Valat

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[Winter distribution of Ring-necked Parakeet Psittacula krameri in Cologne.]

Angelica Kahl-Dunkel, Auteur ; Richard Werner, Auteur

Dans Vogelwelt (Die) (123(1) 2002)

Since 1967 Ring-necked Parakeets are known to live in the Cologne area. When preparing a map of the breeding bird population of Cologne, we asked the public to assist in locating resting/sleeping places at which these birds might spend the night[...]

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