The appearance of the mute swan Cygnus olor and the whooper swan Cygnus cygnus for moulting on the steppe lakes of the Semipalatinsk Irtysh region
Journal: Русский орнитологический журнал @ornis
Article in issue: 2220 т.31, 2022.
Free access
Short address: https://sciup.org/140295274
IDS: 140295274
