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Lietuvos jūrų muziejus

Smiltynės g. 3, LT-93100
Klaipėda

 

Tel.: + 370 46 49 22 50

Tel.: + 370 46 49 07 51
Ticket tel.: +370 46 49 07 54

 

www.muziejus.lt

ljm@muziejus.lt

Baltic grey seals (Halichoerus grypus macrorhynchus)

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Baltic grey seals (Halichoerus grypus macrorhynchus)

Grey seals settled in the Baltic Sea approximately ten thousand years ago. The Baltic grey seal population is listed as an endangered species on the Red Data Books of Lithuania, Latvia, Estonia, Finland, Sweden and Russia. Grey seals usually inhabit the borders of the Gulf of Bothnia, Finland and Riga, and the southern coast of Sweden. They rarely frequent the Lithuanian seaboard. Males are larger than females. Males reach sexual maturity at 6-7 years, females at 3 years. Before breeding, grey seals usually gather on the narrow zones of steady ice or on the shores of distant islands, where they breed in harems. At the end of February, or in March, females give birth to one or, very seldom, two pups. The gestation period lasts for 11.5 months and females usually give birth at night. The seals have been living in the Lithuanian Sea Museum since 1978. The Museum strives to increase the seal population: 41 pups were born in the Museum; 25 of them were set free in the Baltic Sea.