ENDANGERED

Blue whales are the largest baleen whale. The Bonney Upwelling is one of the known two Australian feeding grounds, where they feed on swarms of krill. Pygmy blue whales (Balaenoptera musculus brevicaida) are thought to breed in waters off Indonesia in winter.

Major threats

• Whaling
• Climate variability and change
• Noise interference
• Vessel distribution

Key actions

• Maintain and improve existing legal and management protection
• Assess and address anthropogenic noise
• Understand impacts of climate variability and change