Along with this, we are also witnessing an increase in dugongs, dolphins, fur seals and orcas (killer whales), which is a great reason to make us feel more enthusiastic about taking care of our marine environment.
The whale migration travelling north will continue till mid July, and they will return south from September to November. Whale watching cruises depart from Sydney Harbour are very popular for people who seeks close encounter. Don't forget some warm clothes!

Baby humpback whale showing off his skills.