Table 5. Harlequin Duck reproduction in 1995 for streams with both pair and brood surveys. 

 Stream # Adult Females #Broods #Young 



Flathead Drainage 



McDonald Creek 

 Spotted Bear River 

 Sullivan Creek 

 Trail Creek 



Drainage Total 

 0.06 Broods per adult female 

 0.19 Young per adult female 

 3.00 Young per brood 



32 



Lower Clark Fork Drainage 



Marten Creek 



Rock Creek 



Swamp Creek 



Vermilion River 



5 



*1 



3 



2 



2 

 1 

 2 



2 



11 

 5 



10 



_5 



31 



Drainage Total 

 0.64 Broods per adult female 

 2.82 Young per adult female 

 4.43 Young per brood 



11 



Other 



Callahan Creek 

 Grave Creek 



1 



4 







2 





 5 



Drainage Total 

 0.40 Broods per adult female 

 1 .00 Young per adult female 

 2.50 Young per brood 



GRAND TOTAL 48 



0.23 Broods per adult female 

 0.87 Young per adult female 

 3.82 Young per brood 



* = Probably an underestimate 



' = Two unknown age ducks also present; may have been juveniles. 



11 



42 



16 



