Birding Eastern Poland: Part I (Marshes)

For some time a place has existed in my imagination. A pristine forest in Europe with the remnants of the prehistoric fauna that man has otherwise done its best to erase from our sterile narrative and existence. Last weekend I was able to replace my imagination with the reality of visiting Białowieża forest and some of the surrounding wetlands.

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Six of us – mostly my local fellow-patch-workers (we even created our hashtag of #WansteadOnTour) – made the trip, and two of them have written up the trip-report excellently and fully here and here. So I will not really attempt to replicate their work, but, here are some of my experiences and highlights. I shall split the weekend into two, by the broad habitat grouping: marshes and forest. This first post is dedicated to the marshes.

BIEBRZA MARSHES
In the UK, we get excited if we have managed to preserve or restore a few hectares of marshy wetland. Biebrza is over 1000 square kilometres of lowland marshes that have thankfully been spared drainage for agriculture.

As we drove past one open wetland meadow my eyes seemed to deceive me. What looked like an enormous goofy looking dog was just stood knee-high in water a little way in the distance. It wasn’t actually an enormous goofy dog, but rather my first wild encounter with an Elk (if you are reading this from the US, this is your Moose; what you call an ‘Elk’ is a totally different deer species). By the time we walked back from a parking spot to get a better view, the Elk had moved into the tall vegetation and was almost completely hidden from view. Almost.

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Elk (Alces alces)

In the middle of the marshes, a famous wooden boardwalk stretches out far into the vast reed beds in a straight line for around 350 metres. Walk out from the small road and a sea of low-growing vegetation surrounds you.

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Długa Luka boardwalk

Whilst extraordinary, this area is not fully wild. It is managed to keep it from over-growing to protect the star species: Aquatic Warbler. Numbers of this elusive ‘acro’ warbler have declined significantly and there are now believed to only be around 15,000 individuals remaining, with Belarus and Poland holding the bulk of these in the summer and marshes in Senegal home to the majority over the winter months. We heard, and then watched, around six individuals in song flight and occasionally climb up the reeds to be visible through binoculars and scope. The distance meant I didn’t get any good shots of this stunning pale-marked bird but I took some record shots anyway.

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Aquatic Warbler (Acrocephalus paludicola)

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The ‘we’ve just seen an Aquatic Warbler’ twitch selfie

The site also delivered the first of many views we got of Lesser Spotted Eagle as well as views of Honey Buzzard, Montagu’s Harrier, and Marsh Harrier.

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Marsh Harrier (Circus aeruginosus)

Just a mile or two south of Długa Luka in the Biebrza marshes there was an open water pond surrounded by another huge expanse of reeds. In view were around 100 marsh terns: mainly White-winged Black Tern, but also a handful of Whiskered Tern and a single Black Tern. The spectacle of this concentration of marsh terns was almost a little too much to take in and impossible to render sufficiently into pixels.

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White-winged Black Tern (Chlidonias leucopterus)

Białowieża marshes
Biebrza was the largest and most impressive marshland we visited on our long weekend, but it wasn’t the only one. Skirting the edge of the Białowieża forest itself were quite substantial reed-dominated wetlands.

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Białowieża marshes

We didn’t encounter any more Aquatic Warbler, but the closely related – and far more familiar for us Brits – Sedge Warbler was well represented.

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Sedge Warbler (Acrocephalus schoenobaenus)

As were Reed Warbler, Great Reed Warbler and some of the locustella warblers: namely the metallic buzz of Savi’s Warbler and a lifer for me in the rather nondescript shape and colour of River Warbler.

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River Warbler (Locustella fluviatilis)

To give a sense of how good the birding was here, at one point we had River Warbler, Icterine Warbler, Rosefinch and Black Woodpecker all around the same tree within a matter of minutes.

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Icterine Warbler (Hippolais icterina)

Upper Narew Valley
Saturday was our only full day birding in Poland with ‘full’ being the operative word. As we got up at around 3.30am and finished well into darkness, Saturday included nearly 18 hours of birding (a definite record for me)! Darkness fell for us over another wonderfully unspoiled wetland area: the Narew Valley.

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Our guide leading us to the Great Snipe site in the Upper Narew Valley as the sun sets

My patch colleagues have recorded this section very well in their trip reports so I shall be brief. We watched invisible Corn Crake move vegetation right in front of us while they “CREX CREX”‘-ed louder at us than I thought was possible. This cacophony all but drowned out the reeling Grasshopper Warblers. Nightjar‘s churred, Woodcock ‘pssip’ed’ while Roding, and Cuckoo‘s… err… cuckooed around us, but the highlight was the display dance of the Great Snipe. Despite being under attack from swarms of mosquitos, the experience was superlatively good.

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White Stork (Ciconia ciconia)

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