noun
black-tailed gull
A common seabird in Japan, known for its cat-like call. Scientific name: Larus crassirostris.
海岸でウミネコが鳴いている。
Black-tailed gulls are calling on the shore.
Compound of 海 (umi, 'sea') and 猫 (neko, 'cat'), from the gull's cat-like cry.