Trumpeter Swans .....................................................................Nick Moss

Trumpeter Swans

On the 14th December 2014, pagers alerted the birding community to the presence of two apparently unringed and fully winged adult Trumpeter Swans at RSPB Boyton Marshes. As quickly as I could, I travelled from the Midlands to see these beautiful birds associating closely with a Mute Swan flock. Yes, they did look wary and nervous, certainly in contrast to the ever-feeding Mutes. Trumpeter Swan is currently not on the British list, as it has never been thought to occur naturally. The species is found in North America, with a population that had been greatly in decline due to hunting and lead-poisoning – though in recent years the species has made a comeback supplemented by an introduction scheme. In terms of evidence, it is worth noting an historic record in Ticehurst’s ‘The Birds of Suffolk’, which states that a flock of five were seen at Slaughden in October 1866, four of which were shot. However, these were thought to have originated from ornamental waters. Could these birds have been produced by the recent so-called “weather-bomb” that had been in the news? The weather-bomb was a powerful low pressure system that had traversed the North Atlantic, bringing severe gale-force winds with it straight across from North America. Predictably, on websites like Birdforum, much discussion ensued – leading to over 450 posts. These ranged from the usual cynicism about the provenance of such birds; to romantic notions of these birds possibly being swept in by the recent extreme weather conditions. Others – such as Richard Klim – provided invaluable detail about population growth and distribution, including statistics about the North American east coast re-introduction program. The general discussion was progressed by a birder using the pseudonym “Melodious”, and some useful contributions from Abbotsbury Swannery regarding possible feather condition that might have been indicative of captive origin. Brett Richards helped age the birds as 2nd-winters, which highlights the educational value of Birdforum: some of us had in all honesty only looked at swans in simple ‘juvenile’ or ‘adult’ terms. Whilst I personally couldn’t contribute much to the ornithological discussion, through the power of the web I could start to make contact with breeders to see if they had lost any birds. My thinking was that this would be an easier exercise with large white swans that cost over £450 than with smaller wildfowl that could be kept on any small garden pond. And so it proved. It transpired that there were fewer than ten breeders of Trumpeter Swans in England, including Anglia Wildfowl and Anglia Waterfowl. However, all of them responded in the negative regarding the loss of any birds. They suggested that their birds would definitely be ringed and kept in a secure space. Hmmm!! I also contacted the UK Wildfowl Association to see if there was a ‘lost and found’ register for such birds – but again the answer was no. My next lead was a tip-off that that two ‘ornamental’ Trumpeter Swans had gone missing from Southview Caravan Park in Skegness, Lincolnshire. I contacted local birding groups, Gibraltar Point reserve staff, and the caravan park itself. Yet again, my efforts were to little avail -– they were all inactive over Xmas!

Time wore on, and we began to fear the birds were no longer traceable, but local birder George Gregory, one-time Landguard Bird Observatory warden, managed to confirm that they were still present on 21st December. So on with the chase…. I then focused on large stately homes and trawled the net for private sales. I searched websites such as buybirds.co.uk, birdtrader. co.uk, birds4sale.co.uk, which between them had nearly 1,000 individual wildfowl for sale. These ranged from Ringed Teal to Pintail to Barnacle Geese – but no Trumpeter Swans at all – further highlighting the relative scarcity of this species in UK captivity. By January, my ‘needle in the haystack’ search appeared doomed. Could it be that the Trumpeter Swans were actually wild? But the trail was not yet cold. On January 5th, I received an email from Mike Attew of UK Waterfowl, the only remaining breeder to respond. His email told me that he thought the two birds were from a marsh near Wickham Market, and had belonged to a friend who had passed away. I reported this back to Birdforum, and it was over to birder Ben Rackstraw to perform the role of Sherlock Holmes. Following an internet search, Ben discovered that the owners of Letheringham Lodge near Wickham Market had bred Trumpeter cygnets in December 2013 from their pair kept in the house’s moat. It was then pleasingly fitting that the finder of the birds Sean Minns (aka “Lost In Japan” on Birdforum) concluded the discussion by contacting Letheringham Lodge and established that the now 2nd-winter birds had indeed flown off in mid-December – less than five miles from RSPB Boyton Marshes. They are still stunning birds to see, but the cynics were right all along. Case closed.

Trumpeter Swan