contrasts

I spotted another one of these by Wandsworth Bridge about 10 days ago. I don't know how long it's been there, as I do scan those buildings from time to time but had not noticed it previously. That makes it my fourth for London. I wonder how effective they are, but, more importantly, how effective they are at keeping real flesh and blood peregrines away. If so, it could explain the lack of sightings in that area, especially as it is certainly not lacking in pigeons...


In contrast, this photo taken a few days later of a proper killing machine. I wouldn't want to be a pigeon under that gaze...

staying put

I often 'complain' that 'my' Peregrines are masters at doing nothing, staying in the same spot for hours seemingly doing nothing, except for a spot of preening or paint (as a case in point, I spotted them on the same perches all afternoon today, from 14:30 until now), but they are real light weight compared to these 3:





I wonder how long these have been there, as I haven't been able to find anything about them, and how long they'll work.
Searching for them, I notice they cost around £25, and for a microsecond I fancied getting one to get rid of my pigeon problem...