The subject of consideration in this article are issues related to the need to introduce changes in the management of the European Union's external border with Ukraine in connection with the Russian invasion. The section of the Polish-Ukrainian border has been characterized and border crossings for pedestrian and goods traffic have been indicated. A temporary procedure introduced by the Chief Veterinary Officer regarding the handling of animals accompanying travelers entering the European Union from Ukraine during the armed conflict was presented. The introduction of shortened procedures for crossing the border and importing endangered species of fauna from Ukraine into the European Union was discussed. Available statistics on the number of confiscated CITES species imported from Ukraine in 2019–2022 were analyzed in order to determine the scale of their smuggling from this country. The aim of the article is to indicate the need to introduce changes in the management of the external border of the European Union in connection with the outbreak of war in Ukraine on selected examples.