When the drone footage of the southern right whales first popped up on the screens of a handful of marine biologists this week they cheered. Susan Crocetti confesses to fighting back tears.
While over 40,000 humpbacks now make the migration north from Antarctica each year to bread, southern rights do so in coastal waters further south.While their behaviour is not fully understood, Ms Crocetti believes that they may be expectant mothers looking for other whales to join for safety in calving, which is common in the healthier west coast population.
Right whales are born with distinctive hardened skin patterns known as callosities on their heads by which they can be individually identified. One of the two whales spotted in Jervis Bay had visited the central coast for some days earlier this month. The other was new to the scientists.When the species’ numbers were healthy, it is thought that mothers returned to specific sites to calve every three or four years. It is hoped that the so-called Right Whale ID Program might help identify such sites in NSW so that the mothers can be better protected.
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