Just something for the animal behaviour types on here to while away a few minutes with. As an alternative to 
I've posted a sequence of short clips of park fallow deer on a youtube playlist
http://www.youtube.com/view_play_list?p ... 01794D28E4
They are all linked (all taken within a few minutes of each other at the end of February) and are in chronological sequence. There is something going on in there and it's quite unusual. Rather than say what it is I thought I'd leave it to your collective powers of observation to come up with explanations of your own. If you've got a good one send it in!