The countdown continues!
4 – the number of lowland Peregrine sightings in the Sheffield area 1960-80 (so approx. 600 square km).
4 – the number of eggs laid each year by the St George’s pair (and the commonest clutch size in Peregrines).
4 – the number of chicks fledged from the St George’s nest in 2014 (the only year to see all four eggs hatch and fledge, as below).