The article reflects the significance of the study of ornithonyms in the texts of Kazakh songs in a linguistic aspect. Ornithonyms in the lyrics of songs reflect the linguistic features of cognition by the ethnic groups of the world. In an interdisciplinary aspect, the interconnectedness of linguistic units in the lyrics is considered. During the existence of an ethnic group, ornithology has taken root in its daily life, having shaped the cultural life of the ethnic group. The songs of the ethnic group are an important part of its linguistic units, which have not lost their significance to this day. The study of the lyrics in the ornithological aspect reflects the characteristics of the language and culture of the ethnic group. Ornithology takes a great importance in the life of the Kazakh people. Ornithonyms in the lyrics reflect the national identity, their knowledge and culture of the ethnic group. Lyrics, which are rich with ornithonyms, is formed on the basis of social factors through worldview and cultural life, the customs and traditions of the whole ethnic group. The integrity of linguistic units of a connotative nature in lyrics with ornithonyms is considered from the linguistic aspect.