Whooping Crane
Number
of Days on the Wintering Grounds
Eastern
Flock, First Ultralight-led Cranes to Depart
Year |
Days
Spent on Wintering Grounds ( first birds to depart) |
| Class of 2007 | (your answer for crane #709) |
| Class of 2006 | (no ultralight-led survivors) |
| Class of 2005 | 106 days |
| Class of 2004 | 104 days |
| Class of 2003 | 113 days |
| Class of 2002 | 121 days |
| Class of 2001 | 126 days |
Journal Questions
1. What is the average number of days on the wintering grounds for the 6 years in which cranes departed on spring migration?
2. How might the differences from year to year be explained?
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