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May 25, 2024

Overall, Haystack Rock is a treasure trove of marine biological diversity, from invertebrates and pelagic birds to marine mammals, with an active education program for curious beach visitors. The best tidepool invertebrate diversity today was observed at the south end of Haystack Rock in the area often referred to as "The Needles. As I was tidepooling, I heard multiple beach visitors asking about sea slugs and how to locate nudibranchs.