From the Passenger Pigeon to the Hen Harrier. Dr Mark Avery delivers a robust and compelling talk about extinction! The Passenger Pigeon was the most numerous bird species on the planet just 50-years before it was driven to extinction! How? Why? The Hen Harrier, arguably our most beautiful bird-of-prey, is NOW the most intensively persecuted bird in Britain! How? Why?

To be held at TRINITY METHODIST CHURCH, Rainsford Road, Chelmsford, CM1 2XB