Ishikawajima Park along the Sumida River and Harumi Canal on the east side of River City 21 from Chuo-ohashi Bridge to Aioi Bridge.
Although the sunlight during the day is still strong, the wind blowing on the river surface gradually felt refreshed.
Before the arrival of winter birds, such as black gulls, black-tailed gull is a resident bird that owns balustrades and fences this season.
It is a little louder than the gull, and it screams with a loud voice.
The beak is yellow, the tip is black, and the tip has red spots at the tip.
The feet are yellow, the tail feathers have a black band, the iris is yellow and the red eyering around.
She has a fearless look.
If you observe for a while, you will show various gestures such as "sitting", "paining", "single leg", "scratching", "tail swinging", "missing", etc.