Three right whale mother-calf pairs have been spotted in Cape Cod Bay, where researchers are monitoring them. Why they are important.

Right whales visit Cape Cod Bay every year from January ... there are only 372 North Atlantic right whales remaining in the population. An unusual mortality event of right whales has been ongoing ...

"The first sighting of mother/calf pairs in Cape Cod Bay each season ... critically endangered status of North Atlantic right whales, every birth is vital for population recovery." ...