Publications

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migration of tundra swans (cygnus columbianus) wintering in japan using satellite tracking: identification of the eastern palearctic flyway.migration through the eastern palearctic (ep) flyway by tundra swans (cygnus columbianus) has not been thoroughly documented. we satellite-tracked the migration of 16 tundra swans that winter in japan. the objectives of this study were 1) to show the migration pattern of the ep flyway of tundra swans; 2) to compare this pattern with the migration pattern of whooper swans; and 3) to identify stopover sites that are important for these swans' conservation. tundra swans were captured at kutcharo la ...201626853870
lead poisoning in whooper and tundra swans.six weak whooper swans (cygnus cygnus) and two weak tundra swans (cygnus columbianus) were found at swamp miyajima (hokkaido, japan) in may 1998. anorexia, depression, green watery feces, pale conjunctiva, and anemia were observed. radiographs showed from six to 38 suspected lead pellets in the gizzard. blood lead concentrations were 2.5-6.7 microg/g (mean+/-sd=4.6+/-1.14 microg/g) on day 1. after blood collection, the birds were treated with calcium disodium ethylenediaminetetraacetate (caedta) ...200515827233
prevalence of multiple subtypes of influenza a virus in japanese wild raccoons.raccoons (procyon lotor), which are not native to japan, have been suspected to transmit various pathogens by frequent intrusion into agricultural and residential areas. to determine influenza a virus seropositivity in raccoons in japan, we examined a total of 634 raccoons captured in 19 towns (a-s) from 2009 to 2012. agar gel precipitation tests showed that the antibody prevalence was 1.89% (12/634). all positive raccoons were captured in three towns (a-c) located within a radius of approximate ...201424818620
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