Maybe you can find some answers there: "Antipredator defenses in birds and mammals" T. CARO That's a book availale on books.google.com, Jean-Pierre Baron gave me the information
Re: mobbing of snakes by birds
Posted: Tue Jun 11, 2013 6:33 am
by Will Atkins
Thank you Alexandre, will see if I can get a copy.
Re: mobbing of snakes by birds
Posted: Fri Sep 12, 2014 11:29 am
by Edoardo Razzetti
Long ago I published a picture of superb starlings mobbing a Bitis arietans in Tanzania