Official response and structured research data on wetland bird observation in Shirvan and Gizilaghaj National Parks

This record contains an official response letter issued by the Biological Diversity Conservation Service under the Ministry of Ecology and Natural Resources of the Republic of Azerbaijan on 23 June 2026, letter No. 3-14-21/2-379/2026. The document was provided in response to a research data request for the article entitled “Comparative assessment of the ecotourism potential and green economy opportunities of wetland bird observation in Shirvan and Gizilaghaj National Parks.” The letter includes official information on winter bird counts in Azerbaijan, dominant waterbird species, regional distribution of recorded birds, rare and specially protected bird species observed in Shirvan and Gizilaghaj National Parks, optimal periods for bird observation, and existing birdwatching infrastructure and observation locations in both protected areas. This document is archived for research transparency, citation, verification, and supplementary evidence purposes.