Approximate Dates When Birds Begin to Nest 
June: First week. 
“cc ee a3 
ay Second ‘‘ 
ss hinds 
Fourth ‘‘ 
Some time during June. 
Yellow-billed Cuckoo 
Arctic Three-toed Wood- 
pecker (?) 
Whip-poor-will 
Acadian Flycatcher 
White-throated Sparrow (New 
England) 
Cedarbird 
Nashville Warbler 
Magnolia Warbler 
Canadian Warbler 
758a Olive-backed Thrush 
American Goldfinch 
Blackpoll Warbler 
Lark Sparrow 
Junco ; Snowbird 
Lincoln’s Sparrow (Col.) 
Black-throated Green Warbler 
Red-breasted Nuthatch 
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