Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Danilo Mainardi (born November 25, 1933, in Milano, Italy) is an Italian ethologist, scholar, and writer. He graduated in 1956 in biology in Parma, Italy. From 1967 to 1992 he has taught Zoology, and then Biology and Ethology at the University of Parma, in the Science and Medicine faculties. Since 1973 he has directed the School of Ethology of the Scientific cultural center Ettore Majorana in Erice. He teaches Ethology of Behaviour at the Ca' Foscari University of Venice. He has been national president of LIPU (Lega italiana protezione uccelli, Italian League for the defence of birds, founded in 1965 and Italian partner of Birdlife International), and he is now its honor president.