Whooping Crane
ANSWERS for Journal Questions on Sep. 18, 2009
- What is the latest hatch date (the birthday of the youngest chick) in the Class of 2009? (Find out here. Remember how the birds are numbered.) June 5, 2009 (Chick #929)
- BONUS: If they take off on October 10 as now planned, what will be the average age of the birds on the day they start migration? How does this year's average age compare to previous years? Chicks were younger in five of the years and older in three years.
| YEAR | LATEST HATCH DATE | DEPARTURE DATE | AVERAGE AGE AT DEPARTURE |
| 2009 | estimated: Oct. 10 | 134 days | |
| 2008 | June 15 | Oct. 17 | 124 days |
| 2007 | June 10 | Oct. 13 | 125 days |
| 2006 | May 31 | Oct. 5 | 127 days |
| 2005 | June 3 | Oct. 14 | 133 days |
| 2004 | June 5 | Oct. 10 | 127 days |
| 2003 | May 23 | Oct. 16 | 146 days |
| 2002 | May 21 | Oct. 13 | 145 days |
| 2001 | May 24 | Oct. 17 | 146 days |
Total |
1073 days | ||
Avg. Age at Departure |
X134 days |
From Joe Duff in Operation Migration's Field Journal
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