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Progress report on Southern Hemisphere Blue Whale Catalogue: Period May 2019- April 2020
Barbara Galletti Vernazzani, Paula A. Olson, Chandra Salgado-Kent
International Whaling Commission
The Southern Hemisphere Blue Whale Catalogue has a total of 1,773 individual blue whale photoidentifications (photo-IDs) that include regions off Antarctica, Chile, Peru, Ecuador-Galapagos, Eastern Tropical Pacific (ETP), Australia, Timor-Leste, New Zealand, southern Africa, Madagascar and Sri Lanka. From May 2019 to April 2020, photo comparisons from within the Australia-NewZealand-Indonesia region
have been completed and photo comparisons between catalogues from Southeast Pacific and ETP region were started. A considerable amount of new photo-identifications (+188 IDs) have been received representing an increase of 12% of blue whale identifications over one year. Photo-quality and data control will be conducted to matched whale IDs prior to starting work on abundance estimates.