After a 4.9-meter saltwater crocodile (Crocodylus porosus) killed a 40-year-old doctor in Far North Queensland this week, the illegal feeding of wild crocodiles has become a point of major concern. After a 4.9-meter saltwater crocodile (Crocodylus porosus) killed a 40-year-old doctor in Far North Queensland this week, the illegal feeding of wild crocodiles has become a point of major concern. Plants & Animals Ecology Phys.org – latest science and technology news stories