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One swan’s incredible journey

3,600 kilometres in just seven weeks ….. from the wilderness of the arctic tundra to WWT Welney.  That’s some pretty impressive flying by Daisy Clarke, the first of WWT’s tagged swans to make it back to the UK.  So how did she do it? 

Thanks to the amazing GPS tag fitted around her neck, we are now able to see exactly where she’s been and what she’s been up to, throughout her entire journey.

One final feast

Daisy Clarke spent her summer months in and around the Naryan Mar Delta in the most northerly part of arctic Russia.

But just before she set off on her epic migration, Daisy Clarke, along with thousands of other Bewick’s congregated as they do each year, for one final pre-migratory feast.   She spent these final days loafing around, conserving energy and building up her fat reserves on aquatic vegetables. 


Then, at midday on the 12th of September, after a short warm up flight down the Naryan Mar Delta, Daisy Clarke sets off across the Russian tundra, the first of our tagged swans to embark on this, one of nature’s most extreme migrations.

Triggers for Migration

But what triggers her departure? Timing her migration is crucial for Daisy Clarke’s survival and she relies on a number of inbuilt and environmental cues.  The onset of sub zero temperatures is an important trigger, although day length and wind direction also play a part.

Crossing the Tundra


But once she sets off, there’s no stopping her.  In just 24 hours, Daisy Clarke flies a massive 620 kilometres, crossing the vast expanse of the arctic tundra in one non-stop flight. Only a day later, our satellite data finds Daisy Clarke on the edge of the White Sea on a wetland near Archangelsk.

The wetlands surrounding the White Sea are some of the most important resting and feeding sites for migrating birds – not just Bewick’s.  Their waters, rich in aquatic plants, are a welcome sight for any tired, hungry swan, especially after the long-distance flight they’ve just undertaken.

Onwards across the Taiga

But just two days later we see Daisy Clarke setting off again.  This time the challenge of the Taiga forest lies ahead.


This is the biggest forest on the planet and its band of coniferous trees stretches round the top of the world from western Alaska to eastern Siberia.

And it’s here, in the middle of this dense forest, miles from any human habitation, that we find Daisy Clarke happily ensconced on a small, secluded lake, where she stays for 3 weeks.

Winter’s icy fingers

But after a good rest it’s time for Daisy Clarke to spread her wings and get airborne again.  The icy cold of winter is creeping across the forest and when it arrives it will be long and hard.  Temperatures can drop to minus 50 and winds howl around the trees.  It’s no place for a swan to dally.


A well-earned rest

So westwards it is for our swan. And by the 4th October, Daisy Clarke crosses from Russia into Estonia to land by some lakes, flying 850 kms in just 18 hours.   But there’s only time for a quick food stop, before pushing on to the wetlands of the Nemunas Delta in Lithuania, her chosen spot for her second extended stop over of three weeks.  It’s here that Sacha catches up with her taking a well earned nap on a fish pond.

It’s very common for Bewick’s to stop for several weeks at least once or twice during their migration in order to build themselves up for the next stage of their migration

Changing Landscapes

But by the end of October, Daisy’s internal clock is telling her to push on. Snow is on the ground, temperatures are regularly below freezing, so she flies on to Poland and into Germany.

And now we can see from the satellite imagery that the landscape Daisy Clarke is flying over is changing.  Gone are the vast vistas of the tundra, the forests of the taiga.  Fields are cultivated and we can see that Daisy Clarke’s behaviour during her stops is changing.  During the day she flies out to feed in the fields, by night she returns to the safety of her chosen lake or pond to roost.


A night crossing

A week later on the 7th November, Daisy Clarke is in Holland and by 6pm that night we can see her on the edge of the North Sea, preparing for a night crossing. By midnight she makes it to UK soil, arriving just in time for breakfast at WWT Welney. 

And the best news of all, for the first time, she has arrived with a partner. Daisy was ringed as an adult in 2014, which means she must be at least five years old. With most Bewick’s starting to breed around this age, it could mean that maybe next year, she’ll arrive with cygnets in tow

Why Wetlands?


Like Sacha, Daisy Clarke has visited many countries along her migration and benefitted from the safety and rich food provided by the mosaic of wetlands she has found along the way.  Each one, however small or large, has been vital for her survival and if just one of her chosen resting sites had been polluted, drained, destroyed or disturbed by humans, it could have made the difference between life and death.  And yet, that is exactly what is happening.  In the last 100 years, the world has lost half its wetlands.


Protecting these precious places

Ensuring this network of wetlands is protected for the benefit not just of endangered Bewick’s like Daisy Clarke, but for all migratory birds and the other wildlife that call them home, is at the heart of what Flight of the Swans is all about.


Support our work in saving these endangered wetlands. Sign our petition.

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