MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: HISTRIONICUS HISTRIONICUS 

 Common Name: HARLEQUIN DUCK 



Global rank: G4 Forest Service status: SENSITIVE 

 State rank: S2B,SZN Federal Status: C2 



Element occurrence code: ABNJB15010 . 005 

 Element occurrence type : 



Survey site name: ROCK CREEK (NOXON) 

 EO rank : D 



EO rank comments: 2 PAIRS PRESENT IN 1993, FEWER IN PREVIOUS YEARS. 



3-4 OTHER STREAMS WITHIN 20 KM WITH TOTAL OF 9-12 

 PAIRS; ACCESS DIFFICULT, NO BOATING AND LITTLE 

 FISHING. 



County : SANDERS 



USGS quadrangle: NOXON RAPIDS DAM 

 ELEPHANT PEAK 



Township: Range: Section: TRS comments: 

 026N 032W 27 15,22 



Precision 



Survey date 



First observation 



Last observation 



M i , V '■ . - , : ; , 



Elevation: 2400 - 2680 

 1986 ■ Slope/aspect: 

 1994-07-28 Size (acres) : 



Location: ... - 



ABOUT 1.5 AIR MILES NE OF NOXON RAPIDS DAM, WHERE FOREST SERVICE ROAD 

 #150 FIRST INTERSECTS ROCK CREEK. 



Element occurrence data : 



SPORADIC SIGHTINGS SINCE 1986; PROBABLY 1 OR 2 BROODS GENERALLY 

 PRODUCED EACH YEAR. (SPECIFIC OBSERVATION DATA ON FILE AT MTNHP . ) 



General site description: 



A CA. 3 MILE STRETCH OF MOUNTAIN STREAM, EXTENDING UPSTREAM FROM 

 MAPPED LOCATION. 



Land owner /manager : 



KOOTENAI NATIONAL FOREST, CABINET RANGER DISTRICT 

 PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments : 



FISH TRAP PLACED BY MONTANA DEPARTMENT OF FISH, WILDLIFE AND PARKS. 



Information source: :- • ■,.•.. ; i' -...-. . • 



Specimens : 



4S 



