Ontology highlight
ABSTRACT:
SUBMITTER: Ogata M
PROVIDER: S-EPMC7892805 | biostudies-literature | 2021 Apr
REPOSITORIES: biostudies-literature
Data in brief 20210202
The arrival and departure dates and the daily maximum populations of migrating swans (<i>Cygnus cygnus</i>) on the Asadokoro tidal flat, Hiranai town, Aomori Prefecture, Japan, were recorded by elementary school students for more than 50 years between 1956 and 2010. The Asadokoro tidal flat, which lies along the coast of Mutsu Bay, has been designated a National Special Natural Monument, known as "The swans of Kominato and their migration grounds." This long history of observation unfortunately ...[more]