SEEN - SE European Bird Migration Network
Ringing results of the Operation Baltic in 2005

Anna Szefler, Anna Augustyn

Bird Migration Research Station, University of Gdańsk, Poland

Methods: Birds are trapped with mist-nets that remain open all the time throughout the trapping season. Field station work routine follows the guidelines given in the SEEN Bird Station Manual (Busse 2000).
Bukowo-Kopań Station (54°21’N 16°17’E) is located on the eastern part of the Kopań Lake situated in the middle part of the Polish Baltic coast. The Bukowo-Kopań Station consists of three “substations”: main – Bukowo-Kopań, Bukowo-Kopań II and Bukowo-Kopań Marsh. Area near BK is covered with young pine wood with blackberry-bush. There is also a mixture of birch, alder and wet meadows. In 2005 BK operated from 25 March to 15 May and from 13 August till 17 November. Bukowo-Kopań II is located 1 km from BK to the south. Mist-nets were situated mainly in willow shrubs. In 2005 this station worked only in autumn, from 18 October to 15 November. Bukowo-Kopań Marsh is 1 km to the north-east of BK. In 2005 BKM operated from 14 August to 7 September. All nets are located in the reedbed. A total of 35 626 ind. of 121 species were trapped and ringed at Bukowo-Kopań Station. The most numerous (> 100 ind. ringed) species in spring were: Robin (Erithacus rubecula) – 1609, Goldcrest (Regulus regulus) – 913, Blackcap (Sylvia atricapilla) – 279, Blackbird (Turdus merula) – 273, Chaffinch (Fringilla coelebs) – 271, Lesser Whitethroat – 226, (Sylvia curruca), Willow Warbler (Phylloscopus trochilus) – 173, Siskin (Carduelis spinus) – 153, Song Thrush (Turdus philomelos) – 151. Foreign recoveries: 7 of six bird species (Germany, Switzerland, Slovenia, United Kingdom, Italy, The Netherlands, Norway). The most numerous (> 200 ind. ringed) species in autumn were: Great Tit (Parus major) – 8405, Long-tailed Tit (Aegithalos caudatus) – 7348, Robin (Erithacus rubecula) – 2515, Goldcrest (Regulus regulus) – 2499, Blue Tit (Parus caeruleus) – 1794, Redpoll (Carduelis flammea) – 1414, Reed Warbler (Acrocephalus scirpaceus) – 916, Blackcap (Sylvia atricapilla) – 751, Song Thrush (Turdus philomelos) – 487, Willow Warbler (Phylloscopus trochilus) – 444, Flycatcher Pied (Ficedula hypoleuca) – 346, Blackbird (Turdus merula) – 337, Long-eared Owl (Asio otus) – 247. Foreign recoveries: 42 of six bird species (Lithuania, Russia, Estonia, Finland, The Netherlands, Norway).
Hel Station (54°46’N 18°28’E) is localised on the Hel Peninsula. The study area is covered with young pine wood with poor undergrowth. In 2005 this station operated from 25 March till 15 May. In total 4 322 ind. of 51 species were ringed. The most numerous (> 100 ind. ringed) species were: Robin (Erithacus rubecula) – 1540, Great Tit (Parus major) – 1247, Goldcrest (Regulus regulus) – 502, Song Thrush (Turdus philomelos) – 208, Chaffinch (Fringilla coelebs) – 162, Blackbird (Turdus merula) – 122, Blue Tit (Parus caeruleus) – 109. Foreign recoveries: 15 of four bird species (Lithuania, Estonia, Russia, Germany, Czech Republic, Denmark, Finland).
 Mierzeja Wiślana Station (54°21’N 19°19’E) is situated at the Vistula Spit. The study area is covered with young pine and spruce stands. This station operated from 13 August till 1 November. In total 8 086 ind. of 86 species were caught and ringed.
The most numerous (> 100 ind. ringed) species were: the Great Tit (Parus major) – 2518, Robin (Erithacus rubecula) – 2202, Goldcrest (Regulus regulus) – 1040, Long-tailed Tit (Aegithalos caudatus) – 461, Chaffinch (Fringilla coelebs) – 294, Reed Warbler (Acrocephalus scirpaceus) – 261, Blue Tit (Parus caeruleus) – 171, Song Thrush (Turdus philomelos) – 164, Treecreeper (Certhia familiaris) – 155, Redstart (Phoenicurus phoenicurus) – 101.
Rarities: BK Station – spring: Melodious Warbler (Hippolais polyglotta), – autumn: Yellow-browed Warbler (Phylloscopus inornatus), Parrot Crossbill (Loxia pytopsittacus), Arctic Redpoll (Carduelis hornemanni), Paddyfield Warbler (Acrocephalus agricola), Short-toed Eagle (Circaetus gallicus), Pygmy Owl (Glaucidium passerinum), Barn Owl (Tyto alba alba), MW Station: Yellow-browed Warbler (Phylloscopus inornatus).

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