Comparing
Ultralight-Led Migrations
|
|
|
Hatch
Year of birds |
2001
|
2002
|
2003 |
2004 |
2005 |
2006 |
Target
date for departure |
October
13 |
Oct.
7 and then Oct. 10 |
October
8 |
October
9 |
Oct
10 and then Oct. 14 |
|
Actual
departure |
October
17 |
October
13 |
October
16 |
October
10 |
Oct.
14 |
|
Number
of birds at takeoff |
8
|
17
|
16 |
14
|
20 |
|
Number
of planes |
4:
lead, chase, & scout ultralights and one top cover |
5:
four ultralights and one top cover |
5:
four ultralights and one top cover |
5:
four ultralights and one top cover |
6 |
5:
four ultralights and one top cover |
Journey's
end |
Dec.
3 |
Nov.
30 |
Dec.
8 |
Dec.
12 |
Dec.
13 |
|
Number
of birds reaching Florida Winter Pen |
7
|
16
|
16 |
|
19
(see #526) |
|
Total
days en route |
48
|
49
|
54 |
64 |
61 |
|
Number
of no-fly days (grounded or turned back) |
24 |
28
|
34
(includes 4 days when they turned back and made no progress) |
43 |
39 |
|
Number
of actual flight days (progress made) |
24 |
21
|
20 |
21 |
22 |
|
Longest
flight |
2
hours 9 minutes |
2
hours 15 minutes |
3
hours 4 minutes (200 miles--covering most of GA. New record!) |
2
hours 58 minutes (157 miles covered) |
2
hours 14 minutes (116.3 miles) |
|
Shortest
flight |
38
minutes |
44
minutes |
41
minutes |
43 minutes |
32
minutes |
|
Total
Miles South (*after OM's final adjustments) |
*1164.2 |
*1227.8
|
*1191 |
1204.4 |
1183.4
|
|
Number
of birds surviving winter/returning to Wisconsin |
5
|
16 |
|
|
19
survived;
16 returned to Wisconsin
|
|
Days
on Wintering Grounds |
126 |
121 |
117
days * |
107
days** |
106
days |
|