the black-headed gull (chroicocephalus ridibundus) romance dancing on the park trail.

blackheaded gull chroicocephalus ridibundus romance dancing park trail breeding plumage springtime spring shadows trees parkway dark brown eyes white eye crescents frontal hood grayishblack official bird tokyo adult headbobbing walking noisy bold red legs bill pale grey laughing gulls background chocolatebrown birds larus feathers seashore birdwatching seabirds ornithology coast environment standing black headed beak feather water wild animal nature