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Montana Field Guides

Parasitic Jaeger - Stercorarius parasiticus

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Accidental Species

Global Rank: G5
State Rank: SNA

Agency Status
FWP Conservation Tier: 4


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Copyright by: The Macaulay Library at the Cornell Lab of Ornithology, Ithaca, NY, all rights reserved.
General Description
The Parasitic Jaeger breeds on the Arctic tundra of Alaska and Canada (Sibley 2014). In Montana, this species has had six late summer or fall records over the past 10 years (Montana Bird Distribution 2012).

Species Range

Western Hemisphere Range


Summary of Observations Submitted for Montana
Number of Observations: 18

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Relative Density


(direct evidence "B")

(indirect evidence "b")

No evidence of Breeding
(transient "t")

(regular observations "W")

(at least one obs. "w")


(Records associated with a range of dates are excluded from time charts)

  • Additional ReferencesLegend:   View WorldCat Record   View Online Publication
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    • American Ornithologists' Union. 1998. Check-list of North American birds. 7th edition. American Ornithologists' Union, Washington, D.C. 829 pp.
    • Ehrlich, P., D. Dobkin, and D. Wheye. 1988. The birder’s handbook: a field guide to the natural history of North American birds. Simon and Schuster Inc. New York. 785 pp.
    • Johnsgard, P. A. 1992. Birds of the Rocky Mountains with particular reference to national parks in the northern Rocky Mountain region. Lincoln: University of Nebraska Press. xi + 504 pp.
    • Lenard, S., J. Carlson, J. Ellis, C. Jones, and C. Tilly. 2003. P. D. Skaar's Montana Bird Distribution, 6th Edition. Montana Audubon: Helena, MT, 144 pp.
    • Montana Bird Distribution Committee. 2012. P.D. Skaar's Montana bird distribution. 7th Edition. Montana Audubon, Helena, Montana. 208 pp. + foldout map.
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Citation for data on this website:
Parasitic Jaeger — Stercorarius parasiticus.  Montana Field Guide.  Montana Natural Heritage Program and Montana Fish, Wildlife and Parks.  Retrieved on March 31, 2015, from
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