Dates of Birds First Singing


Species 2002 2003 2004 2005 2006 2007 2008 2009 2010
January
Parus montanus 16.2 25.2   6.2   4.1 28.1 10.1 17.1   1.1   9.1
Parus major 25.1 23.12 17.1   4.1 29.1 10.1 13.1   9.1 16.1
Parus caeruleus 12.2 17.1 17.1 10.1 25.1 10.1 19.1 15.1 19.1
Regulus regulus   6.3 21.1   6.2   4.2 19.3 15.1 25.1 11.3 19.1
February
Parus ater ? 16.1   3.2   3.1   9.3 10.1 24.1 15.1   3.2
Parus cristatus 17.2 25.2   6.2   7.2 25.2 14.1 25.1 16.3   3.2
Dendrocopos major ? ?   3.2   3.1 19.3   3.2   8.2 15.3   8.2
Columba oenas   5.3 24.2 16.2   5.2 15.3 12.3   8.2 28.2 18.2
Parus palustris 16.2 25.2   3.2 10.1 28.1 16.2 22.1 15.1 20.2
Chloris chloris ? 25.2   5.3 15.3 24.2   7.2   8.2 27.2 21.2
Fringilla coelebs   1.3 25.2 17.2   7.2 23.2 18.2 23.2 25.2 22.2
Carduelis spinus ? ? 26.3 19.3 ? 16.2 23.2 ? 24.2
Dryocopus martius ? ?   3.2   4.2 15.3   3.2 23.2 24.2 24.2
Turdus viscivorus   2.2 25.2   3.2   7.2 19.2 24.1 24.1 24.2 24.2
Strix aluco   6.3 ? 11.3 24.1   8.2 ? 18.2   9.3 24.2
Sturnus vulgaris ? 25.2   5.3   3.2 24.2 20.2   7.2 25.2 27.2
Certhia familiaris 29.3 18.3 31.3 18.3 15.3   6.4   8.2 25.2 ?
Columba palumbus 17.2 23.2   5.3 10.1 19.3   3.2 18.2 28.2 ?
March
Erithacus rubecula 10.3   2.3 14.3 16.3 22.3 31.1 10.2 15.3   1.3
Picus viridis ? ? 27.3 ? 20.3   3.3 24.2   1.3 ?
Emberiza citrinella   6.3 28.2   6.2   9.2 19.3 20.2 23.2 13.3   2.3
Prunella modularis   8.3 28.2 14.3 16.3 10.3   4.3 23.2   3.3
Streptopelia decaocto 28.3   3.3 - - - - - -
Turdus pilaris ? ? 16.3 18.3 26.3 28.3 20.4 13.3
Troglodytes troglodytes 26.2   9.3 14.3 16.3 25.3   3.2 29.1 14.3
Certhia brachydactyla 24.3 16.3 22.4 20.3   9.3 20.2   7.2 15.3
Turdus merula 26.2   2.3 18.3 20.3   9.3 23.2   2.3 17.3
Carduelis carduelis ? ? 25.4   7.2 ? 18.2 10.2 19.3
Lanius excubitor ? ? 17.3 18.3 23.3 ? ? ?
Sitta europaea ? 28.3 25.4 28.3 ? ? ? ?
April
Asio otus ? ? ? ? ? ?   8.4 ?
Carduelis flammea ? ? 31.3 15.3 ?   1.4 10.4 ?
July
Loxia curvirostra ? 25.3 ?   1.1 -   8.1 - 27.7

With help from Bruno Ghysenberghs, Raphaël Thunus.


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