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Species | Phenological stage | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chiffchaff | Birds are singing | 11.04 | 10.04 | 03.04 | 01.03 | 15.04 | 04.04 | 06.04 | 11.04 | 28.03 | 12.04 | 08.04 | |||||||||
Chiffchaff | Arrival | 23.03 | 13.04 | 21.03 | 04.04 | 08.04 | 05.04 | 06.04 | 14.04 | 19.04 | 03.04 | 20.04 | 03.04 | 05.04 | 07.04 | 06.04 | 06.04 | 12.04 | 28.03 | 08.04 | 08.04 |