To listen to RTÉ.ie's radio and podcast services, you will need to disable any ad blocking extensions or whitelist this site.

0
00:00
00:00
Notes
At the dawning of each day through the month of October, deer lock antlers in a fierce mating battle. The deer rut is a contest between males - the winner will acquire the right to a whole harem of females. This week Nature File is all about the autumn deer rut.