Demographic development of breeding populations of yellow-legged gull Larus michahellis Naumann, 1840 on the small islands and along the coastline of Numidia (north-eastern Algeria) - S. Telailia; L. Boutabia; E. Bensaci; A. Boucheker; M. F. Samar; M. C. Maazi; M. Saheb; M. A. Bensouilah; M. Houhamdi (Journal of Animal and Plant Sciences, 2015)