A new study confounds conceptions about the origins of the Saimaa ringed seal. In addition, scientists have observed that the genetic diversity of the Saimaa ringed seal decreased in the 20th century as a result of human actions. The evolutionary history of the Saimaa ringed seal was investigated from the DNA of museum specimens in a study conducted by the University of Oulu, Finland, and several international universities.
Click here for original story, Genetic diversity of the Saimaa ringed seal decreased in the 20th century as a result of human actions: Study
Source: Phys.org