HISTRIONICUS HISTRIONICUS * 019 

 HARLEQUIN DUCK 



Global rank: G5 

 State rank: S2 



Forest Service status: SENSITIVE 

 Federal Status: C2 



Survey site, name: 



EO rank: 



EO rank comments : 



TRAIL CREEK 



County: FLATHEAD 



USGS quadrangle: TRAILCREEK 

 MOUNT HEFTY ' 



Township: 

 037N 



Range: 

 022W 



Section: 

 30 



TRS comments: 

 SE4NE4 



Survey date: 



First observation: 



Last observation: 



1990 

 1992-08-12 



Elevation: 3800 

 Slope/aspect: 

 Size (acres) : 



-4280 



Location: 



TAKE THE NORTH FORK FLATHEAD ROAD PAST POLEBRIDGE TO FS ROAD 

 #114, THEN CA. 3 MILES WEST. 



Element occurrence data: 



1990: MULTIPLE SIGHTINGS OF UP TO 4 YOUNG; MAY BE SEVERAL 

 BROODS. 1992: 4-5 PAIRS PRESENT; MINIMUM 2 BROODS PRODUCED 8 

 YG; MARKED 2 FEMALES, 3 MALES, AND 4 YOUNG. 



General site description: 



A CA. 7 MILE SEGMENT OF MOUNTAIN STREAM, SECTIONS OF WHICH 

 ARE INTERMITTENT DURING LATE SUMMER. 



Land owner/manager: 



FLATHEAD NATIONAL FOREST, GLACIER VIEW RANGER DISTRICT 

 PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 

 STATE LAND - UNDESIGNATED 



Comments: 



EXTENT OF OCCUPIED BREEDING HABITAT UNKNOWN. 



Information source: 



CARLSON, J. C. 1990. RESULTS OF HARLEQUIN DUCK SURVEYS IN 

 1990 ON THE FLATHEAD NATIONAL FOREST, MONTANA. UNPUBLISHED 

 REPORT, 31PP. 



Specimens: , 



Element Occurrence Record 

 Harlequin Duck Surveys in 

 Western Montana: 1992 



37 



