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This article discusses the first recorded case of a stranded Southern Right Whale calf on Ecuador's north coast. The cause of the stranding is unknown, but it is speculated that the calf may have become separated from its mother. The text explores various factors that can contribute to whale strandings, including illness, predation, exposure to toxins, tidal changes, human activities, and climate change. Efforts are being made to rescue stranded whales and protect their populations through monitoring, regulations, and raising awareness. The document is a compilation of scientific articles and reports on southern right whales and other marine mammals, covering topics such as habitat suitability, migration patterns, genetic diversity, and anthropogenic threats. It provides valuable information for library patrons conducting research on southern right whales in the Eastern South Pacific. Additionally, a document published by the International Whaling Commission Scientific Committee provides an update on the movements and behavior of southern right whales in the southwest Atlantic, contributing to their understanding and conservation. [Extracted from the article]

The article presents observations on attacks of killer whales Bryde's whales in Galápagos Islands in Ecuador. It states that eight photographs were analyzed, showing the predatory event that occurred in Bolívar Channel located between Isabela Islands and Fernandina. It mentions that Bryde's whales lacked resistance and did not have defensive mechanisms. It adds that killer whales showed effective predation and group coordination.