well done all involved in the safe return of the terrier mistakes.....happen every day...had a very young bitch go to ground for 36 hours with no collar on.....my stupidity as i thought i knew the ground which i walked day in day out,how wrong was i,with the help of good lads got the bitch back,bit worse for ware but unaffected from her experience.things like this happen every day,bad/inexperienced owners?imo,could happen to anyone