Rats of the genus Rattus are very similar to each other. Unlike most mammal species, it is almost impossible to distinguish different species by the skull.

Every year, the A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences supervises final qualification works on biological and ecological topics.

From June 16 to June 30, 2025, employees of the IEE RAS conducted an expedition to conduct a comprehensive study of the Baikal seal on the Ushkany Islands archipelago.

From June 30 to July 11, 2025, two conference schools were held at the Deep Lake Hydrobiological Station of the IEE RAS (Ruzsky District, Moscow Region) to improve the qualifications of hydrobiologists.

The new issue of the journal "Problems of Ichthyology" (Vol. 65, No. 3, 2025) is available for reading and downloading.

One of the areas of expedition research was the study of the polar bear in coastal areas and the waters of the Kara Sea in different seasons of the year.

The study will provide new data on the features of hydrolysis of food objects by digestive enzymes of the intestines of predatory carp fish, which has been practically unexplored until now.

Experts are assessing the condition of the reservoir using bioindicator organisms - zooplankton and benthic organisms living on the bottom.

The population attracted attention back in the 1930s, when researchers noticed its geographical isolation, but only modern comprehensive analysis has revealed its uniqueness.

Anton Goncharov, senior researcher at the laboratory of soil zoology and general entomology at the IEE RAS, told MK journalists about the study.

New observations may indicate that humpback whales are showing friendly interest in people, trying to "flirt" with them.

The Russian Ministry of Natural Resources plans to leave only one population of saigas in the Red Book of the Russian Federation - the Northwestern Caspian.

The book presentation and lecture "Plants of the Big City" will take place on July 3, Thursday, in the Nauchka library. Now it is possible to order books with a discount almost 50% of the usual retail price.

The event was part of the work to restore rare animal species with the support of the Moscow Government and the Department of Nature Management and Environmental Protection.

50 years ago, in 1975, on the initiative of Academician Vladimir Evgenievich Sokolov, the Scientific and Experimental Base "Chernogolovka" was created in Chernogolovka near Moscow.

The publication is intended for general botanists, botanical geographers, specialists in the flora and vegetation of the northern Subarctic, as well as people interested in studying Arctic nature.

Scientists have shown that in field mice living in the city, the diversity of genes of the major histocompatibility complex class II (MHC-II) is associated with the degree of urbanization of the parks in which the rodents live.

Blood-sucking flies of the Hippoboscidae family currently number about 213 species and are vectors of diseases of birds and mammals.