88 VERTEBRATES: BIRDS. 



It lingers around bridges, old buildings, and caves. 

 Here in some secure spot it builds its nest of mud, 

 grass, and moss, with a soft lining within for the eggs, 

 which are pure white with reddish spots near the larger 

 end. The Wood Pewee is rather smaller than the 

 Phoebe, and is found in the cjuiet retreats of the forest. 



Thrushes, Bluebirds, and Eobins. 



The Wood Thrush, Hermit Thrush, Wilson's Thrush, 

 Robin, Robin Redbreast, etc., come under this head. 



The Wood Thrush is smaller than a Robin, brownish 

 above, white belo^\■, marked with triangular black spots. 



Fig. 120 — Wood Thrush. 



Fig. 121 . — Ruby-crowned 

 Wren. 



It is found in gro\'es and woods, and its sweet singing 

 has made it celebrated among all lovers of birds. Its 

 nest and eggs much resemble those of the Robin. 



The Hermit Thrush is smaller than the Wood 

 Thrush, which it somewhat resembles, but it is rather 

 darker above, its breast is yellowish-white, and the dark 

 spots beneath are less distinct. Its soft, liquid, plain- 

 tive notes excel in sweetness those of any other Ameri- 

 can Bird. It is heard in shad)- glens and deep woods. 



The American Robin is one of the most common of 



