How significant is that number? Is it large or small? How much of it is offset by larger populations of well-fed birds and rats in cities? In many countries, pe

How significant is that number? Is it large or small? How much of it is offset by larger populations of well-fed birds and rats in cities? In many countries, people specifically feed stray cats to keep cities rat-free, and predatory birds are often used for pest control (huge crow flocks terrorizing parks etc).