http://news.bbc.co.uk/2/hi/europe/6070656.stm My parents were born in Siberia and some distant relatives of my father are living there in remote villages and are professional hunters. Bear hunting is a very dangerous adventure. Wild bears (especially female bear defending her children) are very dangerous. Sometimes they are like terminators could attack you even with a dozen of bullets inside their body. So, bear hunting organised for Spanish king was no doubt arranged to be absolutely secure.