172 



KEY TO THE. WATER 15IRD.S OF FLORIDA. 



Length, 13.25; Wing. 4.50: Tarsus, 1.60; Bill, 1.80. 

 Very small ; throat pale yellow buff ; under 

 parts pale. Ardetta exilis. 



Least Bittern. See page 24<S 



Length, 13: Wing, 4.30: Tarsus, 1.40: Bill, i.So. 



Throat and under parts deep chestnut. Ardetta neoxena. 



Cory's Least Bittern. 



See page 24() 



P^vMiLv GRUID.E. Cranes. 



Grus americaua. 



Length, 51: Wing, 25.50: Tarsus, 12; Bill, 5.10. 

 Plumage white ; bare skin of head red. (Young 

 birds have the head feathered.) 



Grus americana. 



Whooping Crane. See page 260 



Length, 45; Wing, 21.50: Tarsus, 10; Bill, 5.50. 

 Plumage gray or brownish gray ; bare skin of 



head red. (Young birds have the head feathered.) Qrus mexicana. 



Sandhill Crane. 



See page 262 



