[TigerLikesRooster]

In the above, the link to Biology Letters is not working properly. Here is the working link:

http://www.journals.royalsoc.ac.uk/app/home/contribution.asp?wasp=d81b1293bcb54a6bbe44c9e581de056f&referrer=parent&backto=issue,5,30;journal,1,3;linkingpublicationresults,1:110824,1

[johnny7]

I believe Dr. Lector wrote the definitive study.