NORTH 
APR MAY JUN JUL AU‘ 
CENTRAL 
% % * 
EGG LAYING (Span of Dates) | 
¥ 
BIRDS COUNTED PER DAY 
i) Ol = 6,1) 
ro) Oo ©) ro) 
@) 70). &YO) [Ome cOme oO 
APR MAY JUN JUL Al 
Fig. 43. — Egg-laying and migration seasons of the eastern wood lines (1967-1970) show highest daily counts of each 2 days (left s 
pewee in different areas of the state (see Fig. 1). Spring and fall graph Asterisk symbols represent counts made in other years OF by" 
48 
