The Siberian Chiffchaff trapped and ringed at Wintersett Reservoir on 15.11.18, then relocated at Cold Hiendley Sewage Works from 20.12.18 - 14.01.19, has been confirmed by Martin Collinson, as a genetic 'tristis' from feather samples sent to him for DNA analysis.
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| Siberian Chiffchaff WRes. SDenny 15.11.18 |
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| Siberian Chiffchaff CHSW MHemingway 05.01.19 |
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