very nice forest called the north woods and there will be setting out traps hopefully to capture whitefoot of mice. you also see that they are almost like a chain of islands that are scattered in this sea of concrete and roads and buildings and you know 8 and a half 1000000 people so in a sense if it's a species like a mouse that can't leave the forest across you know neighborhoods and buildings and roads and make it to the other patch it is essentially the same biologically as if they were on an island in terms of them not being able to move and spread their genes with the other patches and these urban patches once they become sufficiently isolated operate like a mini galapagos. and may be driving the evolution of many species that are you know stuck there now. munchie south is studying the white footed mouse you. investigating whether different populations have developed different ways of life and genetic footprints for the mice of central park there is no escape. are these strange from their rule kin. one of the other populations under study lives 40 kilometers north of the city on the