Renforcement et développement d'implantations d'Hirondelle de fenêtre, d'Hirondelle rustique et de Martinet noir.

The article inform about the Reinforcement and development of establishments of House Swallows, Barn Swallows and Common Swifts under birds and nature conservation projects. Topics include thermal insulation between the eternity and the artificial nests fixed under the roof of the barn; and window nests will be added thanks to the financial support of Nos Oiseaux with threatened species.