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

New cases of breeding of the whooper swan Cygnus cygnus in the national park «Sebezhsky»

Fetisov S.A.

Journal: Русский орнитологический журнал @ornis

Article in issue: 1187 т.24, 2015.

Free access

Short address: https://sciup.org/140155402

IDS: 140155402

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