Rare Western Palearctic birds: Azure Tit - BirdGuides

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Rare Western Palearctic birds: Azure Tit ae5cce-aa7fdcb Browsing through BWPi is a good way to acquaint yourself with the wide number of species that can be seen within the Western Palearctic region. However, it can also be a frustrating experience as you become aware of just how many mouth-watering species the region accommodates!

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This series of articles highlights some of the more highly desired species on offer. Azure Tit: Uurainen, Finland The white-bellied "cyanus group" comprises five races, whilst the yellow-bellied "flavipectus group" comprises three. These two groups have been treated by some authors e. Additionally, the extralimital berezowskii of the "flavipectus group" found in north-central China was hannut nő search considered to merit full species status by the same authors.

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Yellow-breasted Tit differs by its yellow breast. However, a recent study based on molecular data found that there was no reason to consider Azure Tit as anything other than a single species comprising a number of races.

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Some authors have also included both Blue and Azure Tits as a single species! A ghostly vision that most European hannut nő search would dearly love to feast their eyes on is the Azure Tit, the enigmatic eastern counterpart of the familiar Blue Tit.

It's amazing what a lack of yellow, more white, and rarity away from its difficult-to-reach Palearctic breeding areas can do for the perception of a species by the masses. A wintering bird in a British location would no doubt break all records for the number of observers paying homage to its presence!

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This attractive inhabitant of riverine thickets and light broad-leaved woodland has a quarter of its global range on European soil. The western limits reach Belarus pairs and Ukraine pairs; the first breeding took place inwith the main population restricted to Russia 2, pairs. Beyond the Western Palearctic this beautiful species extends east across central Asia to Ussuriland, south to the Tien Shan mountains and northern China. Largely a resident species, irregular movements are noted, sometimes on a large scale.

Слева в километре от нее прогремел взрыв. потом другой, уже много ближе. Геликоптеры производили очередную вылазку.

These periodic hannut nő search have led to colonisation of areas outside of the normal breeding range on occasion. During the s and s the range expanded north-west into European Russia, only to retreat again for reasons so far unexplained. It has been suggested that the lack of suitable habitat in the Western Palearctic has been partly responsible for the failure of these periodic irruptions to establish sustainable egységes wittingen expansions.

The most recent westward influx took place induring which time breeding took place in Finland inwith a mixed pair with Blue Tit in Azure Tit: Uurainen, Finland This winter an 'invasion' to Finland has included five 'pure' birds at four different sites and one individual which shows some hybrid characters.

With cheap flights on offer this has tempted many birders to travel to Finland to make the most of the opportunity to see this species of unpredictable occurrence away from its usual range photo: Graham Catley.

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Away from their core European breeding areas this is a rare species in Europe. Finland would appear to be the most regular country in which to see extralimital sightings. The country yielded 23 records between andwith a further five since. As part of an 'influx' this winter there have been five more at four different sites and another which shows some hybrid characters.

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Elsewhere there have been over 30 records each in Poland and the Czech Republic and records into double figures in Austria and Estonia, though the Austrian birds are thought to include some hybrids and misidentified birds. Three have reached Sweden the last in and one was in Denmark in Others have been reported from Latvia, Romania and the former Yugoslavia.

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Periodic records from further west of their range offer a sliver of hope for British birders that one might just cross the North Sea during a westward push.

No doubt if one did so it would produce one of the largest 'twitches' of all time. The would-be finder would have to be diligent enough to exclude the possibility of Pleske's Tit before announcing their find to the nation's news services! Hybrids show a broad suite of characteristics: compared with Azure Tit they exhibit a darker cap, have less white in hannut nő search tail, reduced white in the tertials and greater coverts and have the 'ghost' pattern of Blue Tit on the underparts.

So, despite looking like a strikingly obvious species to identify in the field, there are clearly a egyetlen túra passau ch of pitfalls that need eliminating by the fortuitous finder of one of these stunners photo: Graham Catley.


Hybrids with Blue Tit pose a potential pitfall for would-be finders of this highly desired species. Such hybrids take the name 'Pleske's Tit' and have occurred in a number of European countries, with singles unnervingly close from a British perspective in The Netherlands and France.

A hybrid ringed in Sweden in October was controlled in Finland in Given their vagrancy to other European countries, of course, Azure Tit represents a hannut nő search addition to the British list at some point, albeit with a lower occurrence probability than some other Palearctic species.

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So, if you're along the east coast and a blur hannut nő search white and blue whizzes past you, don't jump for joy immediately as Pleske's Tit needs to be eliminated as, of course, would an aberrant Blue Tit. Acknowledgements Many thanks to Graham Catley; see his website for more images from his recent trip társkeresés salgótarjánban Finland.

Also, many thanks to Hannu Jännes for an overview of records in Finland.

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References Birdlife International. Birds in Europe: Population estimates, trends and conservation status. Cambridge, UK: Birdlife International. Birdlife Conservation Series No. Harrap, Simon and Quinn, David.

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Tits, Nuthatches and Treecreepers. Christopher Helm, London.

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Salzburger, W. Paraphyly of the Blue Tit Parus caeruleus suggested from cytochrome b sequences. Molecular Phylogenetics and Evolution Cramp and Simmons.

Published by BirdGuides, Sheffield. Written by: Russell Slack.

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