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Résumé :
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In April 2012, we discovered Mangrove Reed Warbler Acrocephalus scirpaceus avicenniae at the Red Sea coast near Hamata, in southern Egypt. This was the first record of this subspecies for the Western Palearctic. During additional surveys in subsequent years, we also observed breeding Mangrove Reed Warblers. In addition to morphological and genetic data, we collected information on breeding habitat, breeding biology (including the first description of salt-preserved nests), abundance, other species present and population threats. In July–August 2015 we found A. s. avicenniae in the mangroves of Shura Al-Rowaisseya, on the Sinai Peninsula. Further research on this taxon is recommended to clarify its distribution, breeding ecology and migratory status.
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