When do your swifts first arrive by you?
I put up some swift boxes last summer and am very much hoping some will come and make their forever nests here this year. Once they choose a site they return to it each year. I am told that playing swift calls (on a loop on Youtube) will encourage them to swoop down to investigate. I plan to hang a speaker from my bedroom window. When do you first sight yours? I am told the last week of April is usual for the UK.