Long-term dates of arrival and departure of the common swift Apus apus in the Novorzhevsky raion of Pskov oblast and late autumn records in 2022
Journal: Русский орнитологический журнал @ornis
Article in issue: 2232 т.31, 2022.
Free access
Short address: https://sciup.org/140298127
IDS: 140298127
