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Species:

Species	Phenological stage	2007	2009	2010	2011	2012	2013	2014	2015	2017	2018	2019	2020	2021	2022	2023	2024
Eurasian Tree Sparrow	Arrival	01.04	30.03	06.03	01.11	10.01	01.01	01.01	09.05	02.01	14.04	20.01	03.01	08.01	14.01	03.02	10.03
Eurasian Tree Sparrow	Nest building								29.04			24.03
Eurasian Tree Sparrow	Birds are singing							01.01