Cities often encourage wild cats to stay wild, and many have a "catch, sterilize, and release" program. Many also do censuses of cat colonies and have a network of colony caretakers.
The plague has closed down most of New York City's animal shelters.
New York City has the same number of wild cats as house cats.
Pet dogs in homes 300000 Pet cats in homes 600000 Wild cats 400000 Given to shelters 20000 per year Adoptions 14000 per year Euthanized 4000 per year NYC area 784 km2 NYC humans 8300000 Wild cats/area 5 cats/hectare
Wild cats kill on average .12 rats/day. The calorie intake is:
Cat mass = 4.5 kg Rat mass = .265 kg Cat food requirement = 218 Calories/day Rat kills/day = .12 Rats/day Calories in a rat = 800 Calories Calories from rats = 96 Calories/day