Nick Upton / Young Black alder (Alnus glutinosa) tree growing on rocky shore of lake Saimaa. Near Savonlinna, Finland, August 2010.
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Nick Upton / Boats moored at small jetties on Herttuansaari island, Lake Puruvesi, a branch of Lake Saimaa near Kerimaki, Netherlands, August 2010.
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Nick Upton / View of Laukanlahti, a branch of Lake Saimaa viewed from an esker ridge at Punkaharju through Scots pine trees (Pinus sylvestris) Near Savonlinna, Finland, August 2010.
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Nick Upton / Rocky, granitic islands on Lake Saimaa, with dense stands of Silver birch (Betula pendula) and Scots pine (Pinus sylvestris) trees. Near Savonlinna, Finland, August 2010.
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Nick Upton / Female Samaa ringed seal (Pusa hispida saimensis) one of a total population of less than 250 of this Ringed seal subspecies, basking on a rock at sunset. Lake Saimaa, Finland, August 2010. Endangered.
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Jussi Murtosaari / Saimaa ringed seal (Pusa hispida saimensis) hauled out on ice, one of around 410 individuals of this endemic species remaining. Lake Saimaa, Finland. May 2019.
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Jussi Murtosaari / Saimaa ringed seal (Pusa hispida saimensis) hauled out on rock, one of around 410 individuals of this endemic species remaining. Lake Saimaa, Finland. May 2019.
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Jussi Murtosaari / Saimaa ringed seal (Pusa hispida saimensis) hauled out on ice, one of around 410 individuals of this endemic species remaining. Lake Saimaa, Finland. May 2019.
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Jussi Murtosaari / Saimaa ringed seal (Pusa hispida saimensis) sleeping on ice, one of around 410 individuals of this endemic species remaining. Lake Saimaa, Finland. May 2019.
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Jussi Murtosaari / Saimaa ringed seal (Pusa hispida saimensis) hauled out on ice, one of around 410 individuals of this endemic species remaining. Lake Saimaa, Finland. May 2019.
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Jussi Murtosaari / Saimaa ringed seal (Pusa hispida saimensis) freshwater seal, endemic to Lake Saimaa, Finland May.
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Jussi Murtosaari / Saimaa ringed seal (Pusa hispida saimensis) freshwater seal, endemic to Lake Saimaa, Finland May.