Ключевое слово: «range»

the article considers the representatives of the Duck family, the features of their appearance, habitat and habitat that are endangered in Yakutia. Given the changes in the world, in the climate, it is necessary to understand that the disappearance of some species can lead to the destruction of the biogeocenosis, which in turn can lead to irreversible consequences. Therefore, it is necessary to maintain a balance in the world and contribute to the conservation of endangered species. But this cannot be achieved if you do not know which species are listed in the Red Book and are at risk of extinction. In this regard, we have listed some of the species of the Duck family and their features. Based on the analysis of the literature, we came to the conclusion that despite various types of conservation work, many Duck representatives have been endangered for a long time, so this problem needs to be made public more often.

This article provides information about rodent in Yakutia. The main types of rodent species are considered. In Yakutia, there are richly represented orders of rodent, more than 25 species. The article provides a systematic review of the results of research of some rodent (common Yakut flying squirrel, common squirrel, Asian Yakut chipmunk, gray rat, house mouse and muskrat). The work also studies the territory of the plot covered with pine-larch forests, marsh and alas, habitat and feeding rodent. The article is intended for biology students and those who are interested in rodent of Yakutia. You can get acquainted with the fauna of Yakutia, its diversity of geological and climatic conditions.