Scientific articles \ Mathematics. Natural sciences \ Zoology \ Systematic zoology

New data on the nesting of the mute swan Cygnus olor in St. Petersburg

Fedorov V.A.

Journal: Русский орнитологический журнал @ornis

Article in issue: 1718 т.28, 2019.

Free access

Short address: https://sciup.org/140237727

IDS: 140237727

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