GREEN, GREENISH GRAY, OLIVE, AND 
YELLOWISH OLIVE BIRDS 
Tree Swallow 
Ruby-throated Humming-bird 
Golden-crowned Kinglet 
Ruby-crowned Kinglet 
Solitary Vireo 
Red-eyed Vireo 
White-eyed Vireo 
Warbling Vireo 
Ovenbird 
Worm-eating Warbler 
Acadian Flycatcher 
Yellow-bellied Flycatcher 
Black-throated Green Warbler 
Look also among the Olive-brown Birds, especially for the Cuckoos, Alice’s 
and the Olive-backed Thrushes; and look in the yellow group, many of whose birds 
are olive also. See also females of the Red Crossbill, Orchard Oriole, Scarlet 
Tanager, Summer Tanager. 
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