WELL ID SAY PERCENTAGE WISE MOST DOGS WILL MISS A HIGHER PERCENTAGE OF RABBITS THAN DEER, DEER GENERALLY ONLY GET AWAY IF THEY GET OUT THE BEAM,,,I HAVE NEVER EVER SEEN A DEER ESCAPE ON THE LAMP WHEN A GOOD DOG HAS COME TO TERMS WITH IT..BUT IVE SEEN DOGS OUT OF THE VERY BEST BLOODLINES LED A DANCE BY A RABBIT...IT IS PURELY DOWN TO THE CALIBRE OF DOG YOU KEEP, NO ROE BUCK ON THE LAMP WILL LIVE WITH A 27 INS KILLING MACHINE IMHO