Dates of Migrant Arrivals


Species 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Spring
February
Milvus milvus 27.2 26.2   7.3 10.3 24.2   5.3 23.2   9.3 24.2 19.2 Winter 24.2   2.3   4.3 27.2   3.3 10.3 22.2 15.2 17.2
Motacilla alba   1.3 26.2   7.3 15.3   9.3   4.3 24.2 Winter 10.2 11.3 10.3   8.3   1.3   5.3 12.3   4.3   4.3   8.3 16.3 25.2
March
Turdus philomelos   5.3   2.3 14.3 16.3 19.3 27.2 23.2   7.3 16.3 11.3   1.3   8.3 23.2   8.3 12.3   9.3   8.3 28.2   2.3   2.3
Phyloscopus collybita 16.3 12.3 17.3 18.3 23.3 13.3 16.3 14.3 22.3 15.3 16.3 10.4 11.3 17.3 29.3 16.3 25.3 21.3 16.3 19.3
Emberiza schoeniclus 16.3   9.3   7.3 15.3 18.2 ? ? 19.3 ? ? ? ? ? ? ? ? ? ? ? ?
Saxicola rubicola ? 10.3 16.3 17.3 22.3   5.3 ? ? ? ? ? ? 17.5 25.5   2.4 21.4   7.5 21.3 20.3 29.3
Carduelis cannabina ? 27.3 29.3 17.3   5.4   7.4 20.4 20.4   5.4 26.3 21.3 22.4 29.3   7.4 12.4 15.4 12.4 17.3   1.4 29.3
Phoenicurus ochruros 23.3 13.3 16.3 19.3 22.3 16.3 30.3 19.3 19.3 25.3 16.3 13.4 10.3 17.3 29.3 18.3 25.3 22.3 19.3 31.3
April
Anthus pratensis 17.2   2.3 17.3 19.3 23.3 27.2 22.1   3.3   1.3 19.1   1.3 13.4 29.3   5.4 18.3 15.4   6.4 ? 28.3   1.4
Sylvia atricapilla   5.4 16.4 16.4   4.4 17.4 11.4 12.4 10.4   8.4   6.4 11.4 15.4   2.4 14.4 10.4 30.3 10.4   6.4   6.4   1.4
Ciconia nigra ? ? 30.3 22.3 ?   7.3   4.3 17.3 ? 26.3 24.4 13.4   2.4 30.3 ? 20.3 23.3 12.3   5.4
Hirundo rustica 20.4 15.4   2.4 28.3 25.3 29.3   4.4   6.4   8.4   3.4 20.4 16.4 16.4 15.4   5.4 25.4   3.4   5.4   6.4
Phyloscopus trochilus   4.4 13.4 15.4   1.4   7.4   9.4 17.4   9.4   7.4   6.4 19.4 14.4   9.4 10.4   3.4 30.3 10.4   6.4   6.4
Anthus trivialis ? 16.4 16.4 21.4 17.4 11.4 16.4   6.4   6.4   7.4 20.4 14.4   9.4 15.4 12.4 30.4 12.4 17.4 15.4
Regulus ignicapillus   8.3 25.2 18.3 22.3   2.4 15.3 13.3 18.3 22.3 23.3 22.3 13.4 25.3   7.4 26.3 23.4 27.4 ? 16.4
Sylvia curruca ?   2.5 25.4 10.5 21.4 13.4 20.4 15.4 17.4 20.4 27.4 22.4   7.4 19.4 19.4 15.4 16.4 24.4 22.4
Locustella naevia ?   8.5 28.4   9.5 ? 20.5 ? ? ? 10.5 ? 24.4 ? ? ? ? ? ? ?
Sylvia communis 24.4 29.4 26.4 29.4   1.5 30.4 27.4 25.4 24.4 23.4 30.4 28.4 28.4 24.4   4.5 24.4 23.4 22.4 26.4
Sylvia borin ?   4.5 23.4 13.4 28.4 26.4   2.5 24.4 29.4 18.4 27.4 19.4 27.4 26.4   8.5 10.5 22.4 18.4 28.4
Phoenicurus phoenicurus 18.4 20.4 23.4 26.4 ? ? 16.5 19.5 ? 29.4 ? ? ? ? ? ? ? ?
May
Muscicapa striata ? ?   2.6 ?   1.5 ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Milvus migrans ? ? 16.4 29.3 21.4 20.5   4.5 ? ? ? ? ? ? ? ? ? ? ? ?
Phylloscopis sibilatrix 13.5 10.5 10.5 10.5 17.5   1.5 11.5   7.5 28.4 22.4 13.5   6.5 23.4 14.5 27.5 30.4 14.5 21.4   8.5
Streptopelia turtur 15.5 24.4   9.5 28.4 19.4 30.4 24.4   4.5 ?   1.5 ? ? 22.4 17.5   5.6 21.5 10.5   6.5   8.5
Lanius collurio   8.5   5.5   3.5   8.5 28.4 ? 12.5 16.5   8.5 18.6 18.5 ? ? 14.5 12.5 20.5   6.5 17.5   9.5
Delichon urbica ? ? 25.4   7.5 23.4   3.5   4.5 ? 24.5 14.5 16.5 ?   9.5 26.5   9.6 24.6 ? 12.5 11.6
Pernis apivorus ? ? 20.5   1.6 13.5 ? ? 18.5 ? ? ? ? ? 14.5 ? ? ? ? ?
Apus apus ? 26.4 25.4 12.5   9.5 19.5   5.5 10.5 ?   9.6   5.6 13.5 12.5 26.5 17.5 ? 29.5 ? 29.5
Acrocephalus palustris ? 25.5 20.5 13.5   3.6 21.5 20.6 19.5 ? 17.5   3.5   8.5   9.5 25.5 ? ?   6.5 15.5 30.5
Cuculus canorus 17.5 25.4 27.5 25.4 19.4 19.5   2.5 19.5 18.4   6.6 ? ? 24.4 24.4 12.5 29.5 11.4 31.5 ?
June
Delichon urbica ? ? 25.4   7.5 23.4   3.5   4.5 ? 24.5 14.5 16.5 ?   9.5 26.5   9.6 24.6 ? 12.5 11.6
Falco subbuteo ? ? 25.4 30.4   2.5 30.4   4.5 25.4 ? ? ? ? ? ? ? ? ? ? 13.6
Autumn
October
Gallinago gallinago ?   4.11 12.9 22.9 14.9 23.9 23.11 18.12 ?   1.11 ?   5.10 ?   9.10   9.10 ? ?   7.10 ?
Turdus iliacus   3.10 10.10   4.10 26.10 25.10   3.10 16.10 31.10 30.10 26.10 ? ? 13.10 ? ? ? ? ? ?
Bombycilla garrulus - - -   7.2 - - - - 30.10 - - - - - - - - - -
November
Fringilla montifringilla   9.12   4.10   9.10   2.10   9.10 21.9   8.10 13.10   3.10 13.10 14.10 12.10 15.10   8.10 ? 27.10   3.10 24.10   4.11
Dendrocopos medius -   6.11 - - - - - - - -   6.11 - - - - - - - -

With help from Gregory Bia, Annie Dubois, Bruno Ghysenberghs, Patrick Lindsey, Léon Mutsch, Raphaël Thunus.


Translations

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