the worstaffected species appeal to be those which are already known to have a very poor conservation status of species listed as being critically endangered cr per cent are considered to have a decreasing population table the corresponding proportion of endangered species en is per cent of species that of vulnerable species vu per cent of species and that of near threatened species nt per cent of species amongst species with a decreasing population trend are a number of charismatic mammal species often associated with the country such as the barbary macaque macaca sylvanus the mediterranean monk seal monachus monachus and the barbary leopard panthera pardus panther