80 



VERTEBRATES: BIRDS. 



their feet to the bark, and sleep with their heads down- 

 ward. The Chickadee is one of our smallest birds, and 

 sings its simple chickadee-dee-dee in winter as well as in 



Fig. 131. Chick- 

 adee, or Titmouse. 



Fig. 132. White-bellied Nut- 

 hatch. 



Fig. 130. Amer- 

 ican Creeper. 



summer, and in all sorts of weather. Its color is ashy 

 above, whitish below, and the top of the head and throat 

 black. 



SKYLARKS. 



The Skylark, or Shore Lark, is the only bird of its 



Fig. 133. American Skylark. 



family in North America. It is smaller than the robin, 



