Gulls of the Choshi Fishing Port
( under construction )

species
monthly status
 1. Slaty-backed Gull schistisagus
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
hpo There are about 50-400 on a day
 2. Vega Gull vegae / birulai
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
hpo There are about 500-3000 on a day
 3. Mongolian Gull mongolicus
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 5-10 on a day
 4. Heuglin's Gull taimyrensis (including taimyrensis/birulai intergrades)
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 5-10 on a day
 5. American Herring Gull smithsonianus
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 0-3 on a day
 6. Glaucous-winged Gull glausescens
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 2-7 on a day
 7. Glaucous Gull hyperboreus / barrovianus
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 2-8 on a day
 8. Thayer's Gull thayeri
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
pho There are about 1-4 on a day
 9. Iceland Gull glaucoides / kumlieni
  6 records
 10. Black-tailed Gull crassirostris 
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 500-4000 on a day
11. Kamchatka Gull kamtschatschensis
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 30-100 on a day
 
 12. Mew Gull brachyrhynchus 
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 0-2 on a day
 13. Ring-billed Gull delawarensis
  1 record
 14. Black-headed Gull ridibundes
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 50-800 on a day
 15. Black-legged Kittiwake pollicaris
Jan. Feb. Mar. Apr.. May June July Aug. Sept. Oct. Nov. Dec.
poh There are about 1-5 on a day
 16. Red-legged Kittiwake brevirostris
  5 or 6 records
  ( Photo by Minoru SEKIYA )
 17. Ross's Gull rosea
  1 record
 18. Laughing Gull atricilla
  3 records
 19. Brown-headed Gull brunnicephalus
  1 record 
  ( Photo by Toshihiro UNO )
 20. Ivory Gull eburnea
  1 record