Barn owls to control rat population in Johannesburg, South Africa

Interesting article about the use of Barn Owls to help control rat populations in parts of Johannesburg. I was surprised by the total number of Barn owls released since 1998 - over 83,000.


Scope of the rat problem: http://www.iol.co.za/news/south-africa/gauteng/ratlehong-plagued-by-rats-1.1675209