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Posted by Granite Head (192.88.135.18) on 09:47:23 11/08/20
In Reply to: Another mountainous Teton icon posted by Granite hEad
National Park Service
U.S. Department of the Interior
Yellowstone National Park
P.O. Box 168
Yellowstone National Park, WY 82190
FOR IMMEDIATE RELEASE
October 15, 2020 20-042
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YELLOWSTONE NATIONAL PARK NEWS RELEASE
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Yellowstone releases trumpeter swans to restore population
MAMMOTH HOT SPRINGS, WY - On Saturday, September 19, staff from Yellowstone National Park, the Wyoming Wetlands Society, and Ricketts Conservation Fund released eight young trumpeter swans (cygnets) at Alum Creek in Hayden Valley.
This release is part of an ongoing restoration project to increase territorial pairs of swans which have undergone a decades-long decline in the park. From a high of over 60 birds and 17 territorial pairs in the early 1960s, to only four birds in 2009 and 2010, the swan population has declined for a variety of reasons. Researchers are collecting population data such as nest success, number of territorial pairs, and the number of cygnets produced each year. This data may help determine the reasons for the decline.
Recent releases and other restoration efforts have bolstered the population to over 20 birds and five territorial pairs, including natural reproduction in some years.
The effort is a public/private partnership between the National Park Service, Wyoming Wetlands Society, Ricketts Conservation Fund, and Montana State University. Joe Ricketts, founder of Ricketts Conservation Fund, participated in the recent cygnet release. His fund also supports other avian conservation efforts in the region, including common loons and Clark s nutcrackers.
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