Eakring Birds
Species migration 1998-2010
 
Swallow
Best Autumn passage has been missed in recent years through work commitments, with peak numbers usually occurring in the second half of August, although return migrants can be seen from early July. Largest single movements was of 1 167 south on 24th September 2002.
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Combined monthly migration totals per year
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Annual/monthly migration totals (numerical)
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Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec   Total
                             
1998     1 67 154   51 379 1 093 82       1 827
1999       118 124   27 316 2 354 70       3 009
2000       153 183   31 140 2 461 167       3 135
2001       116 81   5 76 641 125       1 044
2002       41 80   67 108 1 483 37       1 826
2003       26 197   15 188 585 4       1 015
2004     3 110 106 2 8 14 91 2       336
2005     1 123 151   112 69 201         657
2006       88 32 2 89 252 102 3       568
2007       77 74   5 69 461 52       738
2008       128 37   53 126 1 016 2       1 362
2009       148 67   21 190 305 5       736
2010     1 234 60   47 98 793 315       1 548
   
Annual/monthly migration totals
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Species migration index
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