Mammals Of Moricsala Strict Nature Reserve With Special Focus On Bats Author Vintulis, Viesturs Author Pētersons, Gunārs Author Brauna, Ina Author Pilāts, Valdis text Acta Biologica Universitatis Daugavpiliensis 2013 13 2 143 152 journal article 10.5281/zenodo.12646553 1407-8953 12646553 Mustela vison Schreber, 1777 Currently the American mink probably is the most common medium-sized carnivore the Reserve: the number of specimens based on track survey in March (R.Čakstiņš) was estimated 12 and 10 in 2010 and 2011 respectively. It is an invasive species, which appeared in Latvia in wild probably in 1940s ( Tauriņš 1982 ). In Moricsala SNR the American mink probably appeared in 1970s when rapid increase of its population was observed in Latvia ( Ozolins & Pilats 1995 ).