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Comparing
Migrations Led by Ultralight Planes |
|
|
Event |
To
Florida |
Target
date for departure |
|
Actual
date of departure |
|
Number
of birds at takeoff |
|
Number
of birds surviving fall migration |
|
Date
migration ends |
|
Total
days of fall migration |
|
Number
of actual flight days (progress made) |
i i |
Number
of no-fly days (grounded or turned back) |
i i |
Total
miles flown |
|
Days
on Wintering Grounds |
i i |
Number
of birds before spring migration |
i i |
Number
of birds surviving spring migration |
i i |