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 Forest. Montana. Unpublished report. 3 1 pp. 



Cassiier. E. F. 1989. Distribution and status of Harlequin ducks (Histrionicus histrionicus) on the Nez Perce National 

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Cassirer. E. F. 1993. Harlequin duck status report 1992: Idaho. Pp. 27-30 in: Cassirer. E. F.. et al.. (eds.). Status of 

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Cassirer, E. F. 1994. Proposed inventoiy and monitoring protocol for harlequin ducks in northern Idaho, presented at 

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Cassirer. E. F. 1995. Harlequin duck monitoring on the Moyie River and other tributaries to tlie Kootenai River in 

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Cassirer. E. F. and C. R. Groves. 1990. A summary of harlequin duck sightings in Idaho. 1989. Unpubl. rep. Idaho Dep. 

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Cassirer. E. F. and C. R. Groves. 1990. Distributioa habitat use and status of harlequin ducks (Histrionicus 

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Cassirer. E. F. and C. R. Groves. 1991. Harlequin duck ecology in Idaho: 1987-1990. Idaho Dep. Fish Game. Boise. 93 

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Cassirer. E. F. and C. R. Gro\es. 1992. Ecology of Harlequin Ducks in northern Idaho: progress report 1991. Idaho 

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Cassirer. E. F. and C. R. Groves. 1994. Breeding ecologv of Harlequin ducks in Idaho. P. 3 in: Proc. 2nd arm. Harlequin 

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Cassirer. E. F. and C. R. Groves. 1994. Ecology of harlequin ducks (Histrionicus histrionicus) in Northern Idaho. 

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Cassirer, E. F. and G. Schirato. 1990. Harlequin duck boat surveys, northwest Washington coast. 9/24-9/29/90. 

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Cassirer, E. F., G. Schirato. F Sharpe, C. R. Groves, and R. N. Andersoa 1993. Cavity nesting by harlequin ducks in 

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Cassirer, F. 1995. Harlequin duck monitoring in nortlvem Idaho. 1995. Cooperative project report. Idalw Dept. of Fish 

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 Wildlife. 20 pp. 



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