Names of birds in the work Diwan lughat at-turk and in the modern Kyrgyz language

The work of the first Turkologist of the Middle Ages, geographer, outstanding linguist Mahmud Kashgari Diwan Lughat at-Turk is an incomparable wealth for the Turkic languages. With the help of this work, it is quite possible to trace the evolution of the Turkic languages, among which there is also the modern Kyrgyz language. This article examines the names of birds in the work of the scientist of all Turkic nations Mahmud Kashgari Diwan Lughat at-Turk and their comparison with the modern Kyrgyz language. It is known that most of the words mentioned in the article, apart from the fact that they have undergone only minor phonetic changes, are pronounced in the Kyrgyz language without changes as in their original form. The article examines how the names concerning birds are pronounced in the Kyrgyz language, and also analyzes some words. As a result of a comparative analysis, the historical and semantic connection of the following words in the Turkic languages was revealed: kargylach-karlygach; ular-ular; kukuk-kukuk; keklik-kekilik; kargaa-karga etc.