london cows have emerged as one of britains most dangerous large animals with cattle accounting for 74 deaths in the past 15 years according to uk health and safety executive figures the figures given by the health and safety executive hse found that the animals which can weigh more than a tonne typically crush butt or trample victims to death with walkers targeted as they stroll on public footpaths through fields where cows are grazing eighteen of those killed were ramblers and 56 were farm workers cattle have become uks most dangerous large animal killing 74 people in the past 15 years the sunday times reported cows are far more lethal than dogs which caused 17 deaths between 2005 and 2013 the figures have prompted the hse to issue new advice to farmers