Peter Andrews / October 2020 – vol. 113, issue 10, pp 660–661 I read with great interest the paper on the population of Peregrine Falcons Falco peregrinus in north and west Cornwall (Watson & Sale 2020). The paper concentrated on the period 2015 onwards (and sometimes 2016 onwards) relative to the period 2008–14. It put forward three main propositions: that there was a statistically significant intensification of a decline in fledgling produc... This article is only available to registered users.To read more, please log in or purchase a subscription.