Tài liệu tham khảo WikiPedia: Nhàn http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:l... http://id.loc.gov/authorities/subjects/sh85029000 http://id.ndl.go.jp/auth/ndlna/01110532 http://www.nzor.org.nz/names/912941b5-3ce4-48b4-b3... http://datazone.birdlife.org/species/factsheet/226... http://fossilworks.org/bridge.pl?a=taxonInfo&taxon... http://www.irmng.org/aphia.php?p=taxdetails&id=110... http://www.iucnredlist.org/details/106003270/0 http://www.tierstimmen.org/en/database?field_spec_... http://www.worldbirdnames.org/n-shorebirds.html
