Why Small Birds Opt For Urban Living

A few years ago, Anders Pape Møller from the University of Paris-Sud walked through the small suburban town of Orsay, France, counting all the birds he saw or heard. He walked through built-up urban areas, and through forest and farmland. He found that Orsay’s birds were congregating largely in the urban zones. He found 77 percent of them within a hundred meters of the nearest house. When he repeated the census in a similar town in Denmark, he found the same thing: 87 percent of local birds were sticking close to humans.

Lees meer: National Geographic