MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: HISTRIONICUS HISTR-IONICUS 

 Common Name: HARLEQUIN DUCK 



Global rank: G4 Forest Service status: SENSITIVE 

 State rank: S2B,SZN Federal Status: C2 



Element occurrence code: ABNJB15010. 024 

 Element occurrence type : 



Survey site name: WHITE RIVER 



EO rank: C 

 EO rank comments: 3 PAIRS SEEN. MODERATE FISHING, NO BOATING IN BOB 



MARSHALL WILDERNESS AREA. MAY BE PART OF A LARGER 



SOUTH FORK FLATHEAD RIVER EO. 



County: FLATHEAD 

 POWELL 



USGS quadrangle: HAYSTACK MOUNTAIN 



Township: Range: Section: TRS comments: 

 021N 012W 6 SE4SW4 



Precision: M 



Survey date: Elevation: 4700 - 4850 



First observation: 1992-07-19 Slope/aspect: -/- 



Last observation: 1994-07-23 Size (acres) : 



Location: 



IN THE BOB MARSHALL WILDERNESS, NEAR THE CONFLUENCE OF WHITE RIVER AND 

 ITS SOUTH FORK, CA. 15 AIR MILES ENE OF BENCHMARK. 



Element occurrence data : 



3 BROODS SIGHTED; 2 (FEMALE +3, FEMALE +1) AT SOUTH END OF CANYON 

 BELOW NEEDLE FALLS AND 1 (FEMALE +2) CA. 0.5 MILE DOWNSTREAM OF 

 CONFLUENCE . 



General site description: 



CA. 2 MILE SEGMENT OF MOUNTAIN STREAM. 



Land owner /manager: r .. .i.- ■ ; x- ; 



BOB MARSHALL WILDERNESS 

 FLATHEAD NATIONAL FOREST, SPOTTED BEAR RANGER DISTRICT 



Comments : _ 



EXTENT OF OCCUPIED BREEDING HABITAT UNKNOWN. 



Information source: 



Specimens : 



56 



