Cormorants are a family of sea birds whose diet consist mostly of fish.
This is known as cormorant fishing or ukai in Japan.
Photo by Chris McGrath
Cormorant fishing takes place under darkness during the twilight hours.
Each bird can hold up to six fish in its throat at a time.
Cormorant fishing was once a profitable industry.
Cormorant fishing still continues in the city of Gifu today and draws people from around the world.
