Harner and Nelson 



Chapter4 



Nesting Chronology 



5/20 6/9 6/28 7/19 8/8 8/28 9/17 



5/30 6/19 7/9 7/29 8/18 9/7 



DATE 



Figure 1 Fledging dates of Marbled Murrelet young from nests in North America 

 (n = 86) in 10-day intervals. The date displayed for each histogram is the beginning 

 of a 10-day period. Records were used only if the error in estimating the fledging 

 date was <8 days. 



5/20 6/9 6/28 7/19 8/8 8/28 9/17 10/7 



5/30 6/19 7/9 7/29 8/18 9/7 9/27 



DATE 



Figure 2 The cumulative number of Marbled Murrelet young fledged from nests in 

 North America (n = 86) in 1 0-day intervals. The cumulative percentage of total young 

 fledged in each 1 0-day interval is shown at the top of each histogram. The date displayed 

 for each histogram is the beginning of a 10-day period. 



USDA Forest Service Gen. Tech. Rep. PSW-152. 1995. 



53 



