1916] Dice: Land Vertebrates of Southeastern Washington 313 



AQUATIC HABITAT AND ASSOCIATION (PRAIRIE AREA) 



Exclusive : 



Charitonetta albeola migrant. 

 Major : 



Spatula clypeata migrant. Streptoceryle alcyon caurina 



resident. 



Minor : 



Anas platyrhynchos winter. Mustela vison energumenos. 



Nettion carolinense winter. Ondatra zibethica osoyoo^enms. 



Pandion haliaetus carolinensis Castor canadensis canadensis. 



summer. 



Reported : 



Mergus americanus winter. Fulica americana migrant. 



Mareca americana migrant. 



The Snake River is a large stream with a rapid current, but the 

 other streams of the prairie area are small. These smaller streams 

 have usually a rapid current, and quiet pools are rare. Lakes are 

 entirely absent. 



The kingfisher, osprey, and mink feed in the river habitat. Of the 

 other forms observed on the rivers some probably feed in the habitat 

 while others rest or take refuge there. 



AERIAL HABITAT AND ASSOCIATION (PRAIRIE AREA) 



Major : 



Petroehelidon lunifrons lunifrons Myotis yumanensis (?). 



summer. Myotis californicus californicus. 



Riparia riparia summer. Lasiurus cinereus. 



Stelgidopteryx serripennis 



Minor : 



Tyrannus tyrannus summer. Empidonax difficilis difficilis 



Tyrannus verticalis summer. summer. 



Sayornis sayus summer. Empidonax trailli trailli summer. 



Nuttallornis borealis migrant. Empidonax wrighti summer. 



Myiochanes richardsoni richard- Stetophaga ruticilla summer, 

 soni summer. 



Reported : 



Chordeiles virginianus hesperis Tachycineta thalassina lepida 



summer. summer. 



The aerial association is represented in the prairie area by night- 

 hawks, flycatchers, swallows, and bats. Some of the swallows are 

 present at certain localities in immense numbers. 



