Unidentified Passerine 

 MAMMALS 



Unidentified Chipmunk 

 Tree Squirrel 

 Bighorn Sheep 

 Unidentified 

 small mammal 



0.3 



6.7 



0.3 



25.0 



0.3 



21.7 



2.3 

 6.3 



1 

 NE=no estimate made because of large numbers and constant movement 



Seasonal variation in numbers of species encountered during project area 

 censuses each month is shown in figure 1. Study data show that the number of 

 water-related bird species (waterfowl, shorebirds, herons, gulls, ospreys, 

 bald eagles, dippers, belted kingfishers) remains relatively constant year- 

 round, with a slight increase during the breeding season. The number of 

 species of other birds is relatively high throughout the year, but increases 

 considerably during the breeding season. 



Census results for the dipper are shown in figure 2, and variations in 

 average monthly abundance of the most common waterfowl species, as determined 

 by the censuses, is portrayed in figure 3. 



Bald Eagle Survey 



During the monitoring study, bald eagles were observed in October 1980, 

 and in January 1981 (table 6). One adult bald eagle was seen during the 

 January 7 bald eagle survey, and two adults were seen during each of the 

 following two surveys (January 8 and 9). This indicates that the degree of 

 use in 1981 was the same as that reported for 1980 (DNRC 1981). 



Table 6. Bald eagle observations made during the monitoring study 

 in the Kootenai Falls area, September 1980-September 1981 



Date 



Observer ( 1 ) 



Location 



(River Section) (2) 



Minimum Number 

 Known Present 



10-17-80 

 1-7-81(3) 

 1-8-81(3) 

 1-9-81(3) 



PN 



PN 

 PN 

 PN 



L 



T 



Q,T 



T 



1 adult 



1 adult 



2 adults 

 2 adults 



(1) 



PN=Pat Nichols 

 (2) 



Location codes as in Appendix B 

 (3) 



Observations made during bald eagle surveys 



18 



