
As I may possibly have previously mentioned ( see this post, or this post for example) I’m a bit of a raptor nut. My favourite species is the peregrine. In 1979 I did my first species protection contract for the RSPB, keeping watch on two peregrine eyries in north Wales that were regularly robbed by falconers. The nesting sites were very distant and I barely saw the birds themselves! Most of my work consisted of driving a particular stretch of road looking for dodgy characters and checking off car registration plates against a list I was provided with. However things improved in the early 1980’s when I monitored peregrines (and other species) on the Isle of Mull and northern England for the RSPB; then in Ceredigion as a volunteer in 1983, and the following year just inside the Arctic Circle in Greenland. My activities then gradually shifted towards a full-time photography career and I soon had no time for birding. Now I have more time again and I’m spending more time watching and monitoring raptors.
Enough of the background! My point is that I know my peregrines.
I was surprised to discover in 2021 that peregrines had returned to nest in inland Ceredigion and I began occasionally visiting two cliff nesting sites near my home. In 2023, one pair reared three young and did so again in 2024. This year I visited the cliff at the beginning of May, then again at the end of the month. It was clear from the latter visit that they were using the usual ledge (an old raven nest) and probably had small young. By June 19th two young were visible and the interesting thing was that one appeared to be up to 14 days younger than the other. One looked full grown although it still had flecks of white down adhering to its body; it was exercising its wings vigorously. Comparing its appearance to the illustrations in “The Peregrine Falcon” (Derek Ratcliffe) it looked about five weeks old. The other was small and downy all over with stumpy little wings, and looked about 3 weeks old. .
My next visit was on June 30th. When I arrived both young were on the nest together; they were pretty much identical in appearance. It looked as if the younger bird had “caught up” with its sibling. Very soon one flew from the nest and landed clumsily in the ivy above the nest. After some time it flew and visited a number of different ledges before landing in full view of the other youngster, as seen in the main picture. In flight it looked confident and skilful. How long ago it had fledged I couldn’t tell. The nestling was clearly desperate to fly, standing on the edge of the nest, screaming and flapping its wings furiously. Several times it appeared to run from the back of the ledge to the front, and then slammed on the brakes. It just wasn’t confident enough to take the plunge into the outside world. After a while one of the adults arrived carrying prey, ready plucked and glistening bright crimson in the sunshine. It dumped the prey on the ledge next to the fledged youngster, leaving its poor sibling flapping and screaming even louder!
I was able to document this photographically, but I must emphasise that I was very distant from the cliff to avoid causing any disturbance. To have done so would have been illegal and also pointless, because natural behaviour patterns would have been disrupted. The photos themselves are not great, having been taken from afar and then cropped drastically. But they do the job.
Derek Ratcliffe’s masterwork “The Peregrine Falcon”, published in 1980, is a superb and comprehensive example of a monograph on a particular species. But there is no mention in it of such a wide age difference between peregrine youngsters, so I wonder how common this phenomenon might be and how it happened. This snapshot in the life of a peregrine family was absolutely fascinating. It might seem that the adult behaviour was cruel. But it is typical bird of prey behaviour designed to encourage the youngster to leave the nest if it wants food. The little thing was desperate to go but this most momentous event in its short life was yet to come.
NB. I haven’t added images of the nestlings individually or together (showing the age difference) as they would be too small. However if anyone would like to see them, just let me know.
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