A 15-year long accurate ornithological research activity carried out by one of the main experts of Conero, focusing on a not very known scientific aspect of Conero Park and highlighting its naturalistic potentialities.
- Series: collana "I voli del Conero"
- Author/s: Marco Borioni
- Publisher: Parco del Conero
- Pages: 95
- Year: 1997
- Price: 8.00 €
Notes: The photos are by the author.