WyYomINc Birps. yi) 
N 
REFERENCES : 
1. “Useful Birds and Their Protection,” Forebush, pp. 171-177. 
2. Biological Survey Bulletin No. 30, p. 68. 
3. Yearbook of the Department of Agriculture, 1900, pp. 296- 
297. 
727a. Sitta carolinensis aculeata: Slender-billed Nuthatch. 
Knight reported it as a common resident and indicated that 
it is found over the entire state. The only recent observer 
who has noted it is Blackwelder, who found it to be quite 
common in the Teton region. 
727c. Sitta carolinensis nelsoni: Rocky Mountain Nuthatch. 
Peabody reports this bird as being a fairly common resident 
in the region in which he worked. He has skins and pho- 
tographs to verify his statement. 
728. Sitta canadensis: Red-breasted Nuthatch. 
A rather uncommon Nuthatch in most of the regions. 
Blackwelder, however, found it to be quite common on the 
west slope of the Teton range. 
730. Sitta pygmaea pygmaea: Pygmy Nuthatch. 
Blackwelder found it in the Tetons. The early records 
were from near Cheyenne and at Sherman. The A. O. U 
list includes it in southeastern Wyoming, probably upon 
Knight's authority. 
PARIDAE (Titmice). 
Fhe. Chickadees stay with us during the entire wear and do 
valiant service in destroying destructive insects. During the winter 
they feed upon the eggs of plant lice which they find clinging to 
the bark. They also destroy the larvae and pupae of various in- 
sects which are hidden away in crevices or beneath scales of bark. 
The Titmice eat a small amount of seeds when insect food is not 
found in quantity sufficient for their needs. ; 
REFERENCES : 
1. “Birds in Their Relation to Man,” Weed and Dearborn, pp. 
106-109. 
2. “Useful Birds and Their Protection,” Forebush, pp. 163-171. 
3. Year Book of the Department of Agriculture, 1907, p. 169. 
4. Farmers’ Bulletin No. 54, p. 42-44. 
