At the start of the year the signs were good that the Tate pair, aka Misty and Houdini, would lay eggs for another season, their eleventh consecutive breeding season since 2004.
We are now able to confirm that although a pair reared two young, it was not Misty and Houdini. Given the probable ages of the resident pair (the falcon must have been around fourteen years old), this was bound to happen sooner or later, especially with such a healthy population. Like Misty and Houdini, the new pair has has shown a keen interest in the Tate Modern.
A little further north west, one of London’s other resident inner city pairs were observed copulating on a residential tower where Peregrines have been observed in recent years. Unfortunately despite promising initial signs, both adults were observed together when other pairs were still on eggs – a sure sign that incubation had ended prematurely, most likely due to lack of substrate (nesting material) or disturbance.
Elsewhere, the Parliament pair raised three young after last year’s failed attempt. The building they use is likely to be demolished before next season. Hopefully the pair will find another site in or around Westminster.
The post-fledging period was quite eventful. One of the Tate pair’s young was found dead after colliding with a tall building, an unfortunate but not uncommon cause of mortality in urban Peregrines. Two juvenile Peregrines from different sites were brought to a wildlife sanctuary in Sutton. We were able to return one of these back to its natal site. Another juvenile Peregrine was brought in after being picked up in central London. This bird showed signs of being held in captivity and received a medical assessment by a specialist vet at the Royal Veterinary College. After a few days recuperation in an aviary it was transferred to the Hawk Conservancy Trust in Andover, to be hacked back into the wild by experienced falconers.
In an earlier update we mentioned a site which had been flooded during the off-season. We’re pleased to report that this pair made use of a tray which had previously been installed for them on an adjacent building. This pair reared five young, the first brood of five for London since Sutton in 2012.
After last year’s mysterious absence, followers of Sutton’s resident Peregrine pair were over the moon when the falcon (possibly a new bird) was observed laying eggs at their old site. Four young were reared and fledged at Quadrant House.
While the population in Inner London has remained relatively stable, other areas in Greater London have seen an increase in Peregrine activity. New pairs were confirmed at two sites which failed. One of these was found to have failed due to a lack of substrate. A tray has been installed and there are good odds of a successful attempt next season.
There is an abundance of food for opportunistic Peregrines in London. Accidental disturbance and lack of substrate are two big factors limiting breeding success. We are happy to advise individuals or groups who wish to assist their local Peregrine pair(s). The success of the Sutton pair is a good example of how such a partnership can benefit wildlife and the local community.