Washington Department of Fish and Wildlife, Olympia, Washington. Recording by Lauri Hallikainen in Satakunta, Finland of a female call and male song. For the breeding and nesting season, well established forests higher in the watershed provide quality nesting cavities and large downstream waterways to rear young (Pearce et al., 2015). Mercury risk to avian piscivores across western United States and Canada. * This map is intended as a guide. 2015). Photo by Mark Medcalf [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)]. Reset it, Applied Physiology, Nutrition, and Metabolism. http://blogs.evergreen.edu/birds/files/2019/03/XC419829-Common-Merganser-Mergus-merganser.mp3. Aquatic Ecology, 51(3), 473-483. https://doi.org/10.1007/s10452-017-9630-7, Katjoch, Ł., Żmihorski, M., & Piestrzyńska-Kajtoch, A. Enter your email address below and we will send you the reset instructions, If the address matches an existing account you will receive an email with instructions to reset your password, Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username. Fluoride may also increase availability of other toxins and cause nutrient deficiencies. Mergansers are our only ducks that specialize in eating fish. Subsequently, they moved widely throughout portions of western and southcentral Alaska up to 750 km from their natal areas during fall and winter months. Studies indicate that Common Mergansers of interior North America may have longer migrations than coastal groups (Pearce et al., 2015). © 2020 Birds of Evergreen | The Evergreen State College, https://doi.org/10.1016/j.marpolbul.2018.11.017, https://doi.org/10.1016/0269-7491(95)00103-4, https://doi.org/10.1016/j.scitotenv.2016.02.197, https://doi.org/10.1007/s10653-014-9615-6, https://doi.org/10.1007/s10452-017-9630-7, https://doi.org/10.1016/j.ecolind.2014.03.021, https://doi-org.evergreen.idm.oclc.org/10.2173/bna.442, https://doi.org/10.1016/j.dsr2.2017.07.017. You can do so at Appearance > Widgets in the WordPress settings. Quartl [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)]. The Auk, 126(4), 784-798. https://doi.org/10.1525/auk.2009.08182, Stocking, J., Bishop, M.A., & Arab, A. Zinc toxicosis in diving ducks. This small data set can help to shed light on first-time molt migrations and coupled with genetic testing may help bring better understanding to population structure dynamics. Many aspects of the Common Merganser are actually poorly studied, due to its secluded nesting habitat and low importance as a gamebird. In winter they move to lakes, gravel pits and reservoirs, occasionally to sheltered estuaries. PCBs, dioxins and furans in Hooded Merganser (Lophodytes cucullatus), Common Merganser (Mergus merganser) and Mink (Mustela vison) collected along the St. Maurice River near La Tuque, Quebec. The feet and long, thin bills are a vibrant, dark, orange-coral color. We implanted satellite transmitters into eight juvenile Common Mergansers to investigate post-fledging movements from their natal river in southcentral Alaska. Males in breeding plumage can be identified by their dark green head, black back, and white chest and sides. Habitat requirements for nesting and foraging determine the overall range of the Common Mergansers. Royalty-Free Stock Photo. In addition to climate change lessening the amount of winter ice coverage, anthropogenic clearing of ice for transportation allows the piscivores additional access for foraging, with the potential to alter migration patterns (Marchowski, et al., 2017). (2016). 2015). The males are striking with clean white bodies, dark green heads, and a slender, serrated red bill. Kim Smith is a senior at The Evergreen State College studying Environmental Science. (2017). merganser of Europe and Northern Asia and M.m. Marine Pollution Bulletin, 138, 93-114. https://doi.org/10.1016/j.marpolbul.2018.11.017, Cederholm, C., Johnson, D., Bilby, R., Dominguez, L., Garrett, A., Graeber, W….Trotter, P. (2000). If you already have an account, log in to access the content to which you are entitled. The male traveled over 2000 km away to Russia while the female stayed in the greater Alaska region (Pearce & Petersen, 2009). For example, cavity-nesting is a major influence in distribution patterns occurring up to the boreal tree-line as compared to the ground-nesting Red-breasted Merganser, which has a more northern range (Pearce, McCracken, Christensen, & Zhuravlev, 2009). Environmental Geochemistry and Health, 36(6), 1063-1077. https://doi.org/10.1007/s10653-014-9615-6, Kajtoch, Ł., Lešo, P., Matysek, M., Kata, M., Gacek, S., Czeslaw, Z….Gwiazda, R. (2017). Deep Sea Research Part II: Topical Studies in Oceanography, 147, 138-147. https://doi.org/10.1016/j.dsr2.2017.07.017, Wood, C. (1984). Changes in ice cover due to climate change was studied in the Odra River Estuary of Poland and showed that piscivores, including Goosanders, may be shortening their migration distances in response to the increasing availability of open water (Marchowski, Jankowiak, Wysocki, Ławicki, & Girjatowicz, 2017). The British call this bird the "Goosander." orientalis of Central Asia (Pearce, Mallory, & Metz, 2015). Canadian Journal of Fisheries and Aquatic Sciences. These widgets are displayed because you haven't added any widgets of your own yet. Subsequently, they moved widely throughout portions of western and southcentral Alaska up to 750 km from their natal areas during fall and winter months. While fluoride was found in all samples of each goosander, there were significantly higher levels in the pineal gland than the brain and bones (Kalinska 2014).
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