1. Kovalenko A.V. Observations on the birds of the Waters of North-Eastern Caspian Sea in 2003 Kazakhstan Ornithological Bulletin of 2003. Almaty, 2004. P. 34-36. (in Russian)
2 Kovalenko A. V. Observation on birds at North-Eastern Caspian Sea in the Tiulen’y Islands’ and Tiup-Karagan promontory’s areas Kazakhstan Ornithological Bulletin of 2004. Almaty, 2005. P. 10-11. (in Russian)
Further resources
Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Tyulen’i (Seal) Islands. Downloaded from
http://www.birdlife.org on 01/10/2020.
