Ferro, Vincenzo, Centro Studi Arcadia, Tarquinia, Viterbo, Italy

• Rivista Italiana di Ornitologia Vol. 81 No. 1 (2011) - Short Communications
  A very large nesting colony of Delichon urbica and relative mobbing on Corvus monedula and Passer domesticus, with helpers, in Venosa town (Potenza province, south Italy).
  Abstract  PDF