About SHIMADA Tetsuo
About Miyagi Prefectural Izunuma-Uchinuma Environmental Foundation, Miyagi, JPN
About YAMAGUCHI Noriyuki M.
About Univ. Tokyo, Tokyo, JPN
About HIJIKATA Naoya
About Univ. Tokyo, Tokyo, JPN
About HIRAOKA Emiko
About Univ. Tokyo, Tokyo, JPN
About HUPP Jerry W.
About U.S. Geological Survey, AK, USA
About FLINT Paul L.
About U.S. Geological Survey, AK, USA
About TOKITA Ken-ichi
About Abiko City Museum of Birds, Chiba, JPN
About FUJITA Go
About Univ. Tokyo, Tokyo, JPN
About UCHIDA Kiyoshi
About SATO Fumio
About Yamashina Inst. Ornithology, Chiba, JPN
About KURECHI Masayuki
About Japanese Assoc. Wild Geese Protection, Miyagi, JPN
About PEARCE John M.
About U.S. Geological Survey, AK, USA
About RAMEY Andrew M.
About U.S. Geological Survey, AK, USA
About HIGUCHI Hiroyoshi
About Univ. Tokyo, Tokyo, JPN
About Ornithological Science
About river
About lake
About Miyagi prefecture
About Hokkaido
About Japan
About Russian Federation
About tracking
About wintering
About breeding area
About avian influenza virus
About locus
About orbit (trajectory)
About Cygnus cygnus
About Izunuma
About satellite tracking
About Anseriformes
About motion trajectory
About microorganism
About Anseriformes
About Cygnus cygnus
About Indigirka川
About Kolyma川
About Russia
About motion trajectory
About 屈斜路湖
About 内沼
About Population ecology
About 日本
About 移動性
About オオハクチョウ
About Cygnus
About 越冬
About 衛星追跡