A case report of Black-tailed Gulls (Larus crassirostris) incubating stones alongside eggs on Dokdo

It is well-known that birds sometimes incubate various objects other than eggs. However, there have been no officially reported cases in South Korea. We report a unique case of Black-tailed Gulls (Larus crassirostris) breeding on Dokdo island, where stones were incubated alongside eggs in some nests. Out of a total of 235 nests surveyed, stones were found in<span style=color:#999999 > ... </span><a href=javascript:; onclick=onClickReadNode('NODE12028679');fn_statistics('Z354','null','null'); style='color:#999999;font-size:14px;text-decoration:underline;' >전체 초록 보기</a>