Harp seals from Atlantic Canada are showing up in U.S. waters in greater numbers and farther south than usual, and biologists want to know why.Small numbers of juvenile harp seals are typically found each winter stranded along the coast of the northeastern United States.But this year, well over 100 adult harp seals — not juveniles — have been spotted, said Mendy Garron, regional marine mammal stranding co-ordinator for the National Oceanic and Atmospheric Administration in Gloucester, Massachusetts. The sightings are reported by 14 seal stranding and rehabilitation organizations in New England and the Middle Atlantic states. Full CBC article is here