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. 021 

 Element occurrence type: 



Survey site name: NORTH CALLAHAN CREEK 



EO rank: D 

 EG rank comments: NEVER MORE THAN 1 PAIR SEEN; ISOLATED EO. 



County: LINCOLN 



USGS quadrangle: SMITH MOUNTAIN 



Township: Range: Section: TRS comments: 

 031N 035W 23 E2 ; 24 E2 



Precision 



Survey date 



First observation 



Last observation 



M 



1993-05-28 Elevation: 2850 



1990-07-23 Slope/aspect: 



1990-08-04 Size (acres) : 



Location: 



FROM TROY, TAKE FS ROAD #427 UP CALLAHAN CREEK AND CA. 2 MILES UP 

 ALONG THE NORTH FORK. 



Element occurrence data : 



1990: FEMALE AND 3 JUVENILES OBSERVED 23 JULY; 2 JUVENILES OBSERVED 4 

 AUGUST . 



General site description: ' • '''" -^ 



Land owner/manager: 



KOOTENAI NATIONAL FOREST, THREE RIVERS RANGER DISTRICT 



Comments : 



SURVEYED IN 1993 - CA. 4 MILES OF BOTH FORKS AND 4 MILES BELOW 

 JUNCTION. NO DUCKS OBSERVED. 



Information source: FAIRMAN, L. M. AND V. E. MILLER. 1990. RESULTS OF 



1990' SURVEYS FOR HARLEQUIN DUCKS ON THE KOOTENAI 

 AND LOLO NATIONAL FORESTS, MONTANA. 



Specimens : 



53 



