Black-tailed gulls flocking around the colony

Black-tailed gulls mating

Black-tailed gulls, collecting nesting materials

Black-tailed gulls, catching and eating adult chironomids

Courtship feeding in a couple of black-tailed gulls

A couple of black-tailed gulls choking as a courtship behavior

Greeting ceremony of black-tailed gull

Bathing Black-tailed Gulls

Duet of long calls in black-tailed gull

Long-call of black-tailed gull

A black-tailed gull, eating a dead crucian carp

Threatening behavior of a black-tailed gull toward a grey heron

A black-tailed gull eating a baby red-eared slider

Pecking of black-tailed gull: Dummy experiment 1

Pecking of black-tailed gull: Dummy experiment ３

Pecking of black-tailed gull: Dummy experiment 2

Pecking of black-tailed gull: Dummy experiment ４

Black-headed gulls, catching and eating adult chironomids

Attacking toward the pair partner in Black-tailed gull II

Attacks toward the pair partner in Black-tailed gull III

Attacking toward the pair partner in Black-tailed gull I

Journey around the StarsⅡ

Journey around the StarsⅠ

Shooting Stars (Black)

Away from the Machines and the Crowd