Chris Packham and Michaela Strachan are live from Arne on the stunning south coast, where things get hotter in the sika deer rut. There's also a chance to name the golden eagle chick, migration is in full swing and there's a brand new mouse maze. Meanwhile Martin Hughes-Games attempts to break a UK record for the largest flock of spoonbills ever seen and Lucy Cooke pops in with a report on Britain's cutest mammalian invader.