13 Nov common merganser juvenile
“Hooded” is something of an understatement for this extravagantly crested little duck. Behavior: Common Loons cannot walk upright and only go on land when nesting or injured. Common Mergansers are commonly mistaken for adult loons in breeding plumage, however a few key traits differentiate the species. Conservation Status. Bird Id Forum - Latest Bird News: Identify Black ,with White Around Head / Eye, Seen In Wooded Area, Size Bit Bigger Than Black Bird. An analysis of 20 years of the Olympia, WA area Audoban Christmas Bird Count backs up this finding, showing great variation year to year, but overall a gradual increase in the local population. Common Merganser populations in North America declined by over 2% per year between 1966 and 2014, resulting in a cumulative decline of 65%, according to the North American Breeding Bird Survey. merganser of Europe and Northern Asia and M.m. The red-breasted merganser (Mergus serrator) is a diving duck, one of the sawbills.The genus name is a Latin word used by Pliny and other Roman authors to refer to an unspecified waterbird, and serrator is a sawyer from Latin serra, "saw". In summer, look for them leading ducklings from eddy to eddy along streams or standing on a flat rock in … The female had 14 chicks with her. In The Birds of North America (A. F. Poole, Editor). Common loons have larger bodies with a shorter, thicker neck and head. Males in breeding plumage can be identified by their dark green head, black back, and white chest and sides. Many aspects of the Common Merganser are actually poorly studied, due to its secluded nesting habitat and low importance as a gamebird. Common Goldeneyes' use of these disturbed environments is of concern because of the possible short- and long-term effects of toxins that may also be found in these areas. © 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. Another waterbird that is sometimes confused with a loon is the Canada Goose. The male Common Merganser has black and white plumage but has bright white sides. Juvenile Loon (male or female) Juvenile loons (chicks older than 8-weeks) and immature loons (2nd year birds that occasionally summer on lakes) may be mistaken for female common mergansers. Interactions between anthropogenic litter and birds: a global review with a ‘black-list’ of species. A juvenile Goosander (Mergus merganser merganser) in breeding plumage on a lake in England in late winter/early spring; Juvenile Mergus merganser or Goosander or Common Merganser. Habitat Small, forested, freshwater wetlands with emergent vegetation are the preferred breeding habitat of the Hooded Merganser. Common Merganser: Common throughout much of North America. Ecological Indicators, 45, 83-92. https://doi.org/10.1016/j.ecolind.2014.03.021, Marchowski, D., Jankowiak, Ł., Wysocki, D., Ławicki, Ł., & Girjatowicz, J. Substantially different movement patterns were recorded between the genders in that year. Common Mergansers living along rivers may spend hours resting on rocks or on shore. Our lakes are home to several waterbirds that may appear similar to loons, especially from a distance. The British call this bird the "Goosander." You can do so at Appearance > Widgets in the WordPress settings. Over their wide geographic range there is some variation in migration patterns. Photo by Mark Medcalf [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)]. n the distance, on the water, a flock of mergansers was swimming and feeding. Nilsson, L. (1970). Washington Department of Fish and Wildlife, Olympia, Washington. While there is no definitive conclusion on the interaction between fluoride and avian physiology from this study, it is worth keeping it in mind as a possible player in toxicological issues and further study is warranted (Kalinska 2014).
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