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Humpback whale (Megaptera novaeangliae) CMS STATUS


Appendix I CMS INSTRUMENT(S) MoU on for the Conservation of Cetaceans and their Habitats in the Pacific Islands Region; Agreement on the Conservation of Cetaceans of the Black Sea, Mediterranean Sea and Contiguous Atlantic Area (ACCOBAMS)


Humpback whale populations occur around the globe, and while the exact nature of the population boundaries is still not well-understood, genetically distinct breeding sub-populations are well-recognized. Humpback annual migrations between feeding grounds in polar waters to mating and calving grounds in tropical waters are amongst the longest of any mammal. Following heavy exploitation during much of the 19th and 20th centuries, Humpback Whales have been legally protected from commercial whaling since 1966, except for aboriginal and subsistence take, and in most areas their populations are showing signs of recovery. However, there is little evidence of significant population recovery in the Oceania sub-population, which migrates between Oceania and the Southern Ocean. Listed as Endangered, this sub-population is estimated to be as small as 3,000–5,000 animals, less than a quarter of its original size.


of prey species, and climate change. Mortality due to entanglement and collisions with ships has been reported within the Southern Hemisphere. To varying degrees these threats are all present in both the Oceania region and the Southern Ocean.


Threats to critical sites and migratory pathways Because humpback whales in the Oceania region are still at very low population levels, the impacts of current or potential future threats could significantly affect their recovery. These threats include habitat degradation, pollution, disease, noise, bycatch and entanglement in fishing nets, collisions with ships, the depletion


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Opportunities for ecological networks The International Whaling Commission’s Southern Ocean Whale Sanctuary and temporary moratorium against commercial whaling offers limited protection to humpback whales from commercial whaling, but scientific whaling remains a threat. There is no focused mechanism to address any of the other threats faced by Humpbacks at this end of their migration. In Oceania, the CMS Pacific Cetaceans Memorandum of Understanding (MOU) and the Pacific Regional Environment Programme (SPREP) offer the framework for protection from the range of threats faced by humpbacks in the Pacific Islands Region. They offer significant opportunity for transboundary cooperation in the Oceania region, bringing together governments, researchers, NGOs and stakeholders in a coordinated effort to identify and address threats and issues for the recovery of this species. Identifying critical habitat areas and crucial migratory pathways in Oceania and the Southern Ocean and collaborating with appropriate Southern Ocean mechanisms, such as the Convention on the Conservation of Antarctic Marine Living Resources, to identify a network of protected areas across its migratory range would further aid this species.


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