I was able to get a .pdf from http://www.publishing.royalsoc.ac.uk/media/proceedings_b/RSPB20070352.pdf but I don't know whether this was related to my institution's subscription. It looks like free access to me, at least for a while...
I was able to get a .pdf from
http://www.publishing.royalsoc.ac.uk/media/proceedings_b/RSPB20070352.pdf
but I don't know whether this was related to my institution's subscription. It looks like free access to me, at least for a while...