Paid Martin Ridley a visit after lunch today. Such a good day for seeing swifts and they were there in numbers. So good to see and hear. I confess I ran out of time to go to another area of Comrie to check out reported sightings but I will be back next week. Martin is going to be helping the CSP data collecting efforts and, so far as active nests sites are concerned, he can mark up a list of quite a few on his house and on neighbours’ houses.