Saturday, March 19, 2011

A relict species

Ringed seals reside in arctic waters but also in the Baltic Sea, Lake Saimaa, and Lake Ladoga. These populations are relicts from the late ice age, when the species had a much wider distribution.

2 comments:

Oljekritan said...

Oh väldigt väldigt fint!!

Måns Sjöberg said...

Tack, Oljekritan!