Approximate Dates When Birds Begin to Nest 
June: First week. 387 Yellow-billed Cuckoo 
7 a se 4oo Arctic Three-toed Wood- 
pecker (?) 
iS oy i 417. Whip-poor-will 
in Hy ee 465 Acadian Flycatcher 
ee fe es 558 White-throated Sparrow (New 
England) 
“ se f 619 Cedarbird 
es o es 645 Nashville Warbler 
ns uy re 657 Magnolia Warbler 
i fe Ke 686 Canadian Warbler 
«* Second ‘‘ 758a Olive-backed Thrush 
‘¢ Third‘ 529 American Goldfinch 
*« Fourth ‘ 661 Blackpoll Warbler 
552 Lark Sparrow 
567 Junco; Snowbird 
Some time during June., ; 583 Lincoln’s Sparrow (Col.) 
667 Black-throated Green Warbler 
728 Red-breasted Nuthatch 
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