| Sky Lark |
| Large movements are
usually induced by severe temperatures and snow in the
north UK during late December. Much smaller numbers move
south-west (typically) during late September and
continuing through into November. |
| ... |
| Combined monthly
migration totals per year |
 |
| ... |
| Annual/monthly
migration totals (numerical) |
| ... |
| Year |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
Total |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1998 |
|
|
|
|
|
|
|
|
62 |
298 |
215 |
|
|
575 |
| 1999 |
1 |
|
|
|
|
|
|
|
18 |
645 |
40 |
|
|
704 |
| 2000 |
|
|
|
|
|
|
|
|
83 |
457 |
194 |
675 |
|
1 409 |
| 2001 |
|
|
4 |
|
|
|
|
|
119 |
506 |
|
|
|
629 |
| 2002 |
|
|
|
|
|
|
|
|
62 |
279 |
9 |
35 |
|
385 |
| 2003 |
28 |
4 |
|
|
|
|
|
|
74 |
227 |
59 |
|
|
392 |
| 2004 |
|
|
|
|
|
|
|
|
|
37 |
15 |
|
|
52 |
| 2005 |
|
|
1 |
|
|
|
|
|
20 |
19 |
14 |
3 |
|
57 |
| 2006 |
|
|
|
1 |
|
|
|
|
20 |
74 |
5 |
|
|
100 |
| 2007 |
|
|
|
|
|
|
|
|
35 |
32 |
|
|
|
67 |
| 2008 |
|
|
|
|
|
|
|
|
20 |
96 |
|
|
|
116 |
| 2009 |
|
14 |
|
1 |
|
|
|
|
19 |
134 |
19 |
95 |
|
282 |
| 2010 |
313 |
1 |
1 |
1 |
|
|
|
|
236 |
723 |
22 |
|
|
1 297 |
|