New calf joins endangered southern resident orcas; 2 other pregnancies lost

A new calf was born to J pod of the southern resident orcas, Center for Whale Research director Ken Balcomb confirmed Tuesday morning. But the birth to orca mother J37 is tempered with news of the loss of two other pregnancies in southern resident families. The endangered whales' population is now 74. Scientists John Durban and Holly Fearnbach, of the marine mammal research and rescue nonprofit SR3, reported that routine, noninvasive monitoring of the orcas by drone photography determined two of the three expecting orcas had lost their calves. J19 and J36 appear to have decreased significantly...