New date on distribution and biology of the azure tit Parus cyanus in the north-east of the Moscow oblast

Second edition. First publication: Kontorschikov V.V., Grinchenko O.S., Makarov A.V. 2008. New data on the distribution and biology of the white azure Parus cyanus in the northeast of the Moscow region // Fauna and ecology of birds of the Moscow region: Tr. Programs "Birds of Moscow and the Moscow region" 3: 81-87.