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THE WILSON JOURNAL OF ORNITHOLOGY • Vol. 123. No. 3. September 2011 
Hourly range 
FIG. 1. Hourly egg-laying patterns by lay order for Pearly-eyed Thrashers in the Luquillo Experimental Forest, Puerto 
Rico (Dec 1979-Jul 2000). Sample sizes for the four categories: first-laid (343), second-laid (401), third-laid (323), and 
ourth-laid (22). Arrows indicate when the proportion of EODs (egg of the day) present was greater (at = 0.05) than within 
the previous hourly range. 
■c 
c, 
03 
■a 
'a 
FIG. 2. 
precipitous 
Number of clutches initiated each day of the 
decline on the last day. 
week. There was an increase from the first to the penultimate, but a 
