Orca that carried dead calf for 17 days is pregnant again

Two years after the world watched a grieving whale carry her dead calf for 17 days and more than 1,600 kilometres, Tahlequah (also known as J35) the orca is pregnant again. As Jennifer Palma reports, Tahlequah is not the only southern resident whale expecting, which has conservationists feeling cautiously optimistic.

• The orca who carried her dead calf for 17 days and 1,000 miles is pregnant again