https://doi.org/10.82144/7e2ca25e https://seamap.env.duke.edu/dataset/467 https://www.gbif.org/dataset/0d3a548b-0b12-4294-aeeb-9b7c2abe91b7 Robin Baird Cascadia Research Collective Primary contact rwbaird@cascadiaresearch.org www.cascadiaresearch.org Annette Harnish Cascadia Research Collective Secondary contact AHarnish@cascadiaresearch.org OBIS-SEAMAP Marine Geospatial Ecology Lab, Duke University

A328 LSRC building Durham NC 27708 US

seamap-contact@duke.edu https://seamap.env.duke.edu OBIS-SEAMAP Marine Geospatial Ecology Lab, Duke University

A328 LSRC building Durham NC 27708 US

seamap-contact@duke.edu https://seamap.env.duke.edu distributor Robin Baird Cascadia Research Collective Primary contact rwbaird@cascadiaresearch.org www.cascadiaresearch.org owner Annette Harnish Cascadia Research Collective Secondary contact AHarnish@cascadiaresearch.org originator 2025-07-31 eng Original provider: Cascadia Research Collective Dataset credits: Robin W. Baird and Annette Harnish, Cascadia Research Collective Abstract: Eighteen species of odontocetes have been documented in Hawaiian waters. Prior to 2000, most research focused on spinner dolphins. Since February 2000, we have been undertaking research on cetaceans in Hawaiian waters (under the authorization of National Marine Fisheries Service permits), focusing on the less well-studied species of odontocetes, examining stock structure, site fidelity, population size, behavior and ecology. This research is being coordinated by Dr. Robin Baird, but involves collaborations with researchers from the Northwest Fisheries Science Center, Southwest Fisheries Science Center, Pacific Islands Fisheries Science Center, Southeast Fisheries Science Center, National Marine Mammal Laboratory, Alaska SeaLife Center, Woods Hole Oceanographic Institution, Portland State University, and Hawai'i Pacific University. Primary funding for this work has come from the U.S. Navy, National Marine Fisheries Service and the Wild Whale Research Foundation. These studies have covered areas around all the main Hawaiian islands, from the island of Hawai'i in the east to Kaua'i and Ni'ihau in the west, and focus on a number of species, including false killer whales, bottlenose dolphins, short-finned pilot whales, rough-toothed dolphins, melon-headed whales, pygmy killer whales, pan-tropical spotted dolphins, Blainville's beaked whales, and Cuvier's beaked whales. More information on this research is available online at www.cascadiaresearch.org/hawaii. Occurrence GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type.xml Observation GBIF Dataset Subtype Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_subtype.xml Marine Biology Visual sighting Vessels Sightings N/A This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License. https://seamap.env.duke.edu/dataset/467 Oceans,Hawaii -160.59494 -155.84741 22.49456 19.04502 2000-03-04 2021-11-15 Scientific names are based on the Integrated Taxonomic Information System (ITIS). species Balaenoptera borealis Sei whale species Balaenoptera physalus Fin whale family Delphinidae Dolphins species Feresa attenuata Pygmy killer whale species Globicephala macrorhynchus Short-finned pilot whale species Grampus griseus Risso's dolphin family Hyperoodontidae Beaked whales species Indopacetus pacificus Longman's beaked whale genus Kogia Pygmy sperm whales species Kogia breviceps Pygmy sperm whale species Kogia sima Dwarf sperm whale species Lagenodelphis hosei Fraser's dolphin species Megaptera novaeangliae Humpback whale species Mesoplodon densirostris Blainville's beaked whale suborder Mysticeti Baleen whales suborder Odontoceti Toothed whales species Orcinus orca Killer whale species Peponocephala electra Melon-headed whale species Physeter macrocephalus Sperm whale species Pseudorca crassidens False killer whale species Stenella attenuata Pantropical spotted dolphin species Stenella coeruleoalba Striped dolphin species Stenella longirostris Spinner dolphin species Steno bredanensis Rough-toothed dolphin species Tursiops truncatus Common bottlenose dolphin species Ziphius cavirostris Cuvier's beaked whale This research addresses three broad areas: 1. Odontocete stock structure. This involves examination of residency and inter-island movements of individuals using photo-identification and satellite- and VHF-radio tagging, and population structure using genetic markers (from skin biopsies). We have photo-identification catalogs of 15 species: false killer whales, short-finned pilot whales, melon-headed whales, pygmy killer whales, killer whales, fin whales, sei whales, sperm whales, dwarf sperm whales, Cuvier's and Blainville's beaked whales, rough-toothed dolphins, Risso's dolphins, pantropical spotted dolphins, and bottlenose dolphins and have added photographs taken over the last 20 years of individuals of a number of species off the island of Hawai'i, collected by Dan McSweeney of the Wild Whale Research Foundation. Photographs of sperm whales are also contributed to a catalog at the Southwest Fisheries Science Center. In April 2006, we began deployments of long-term VHF and satellite tags (based on a tag design of Dr. Russ Andrews of the University of Alaska Fairbanks) on short-finned pilot whales, false killer whales, melon-headed whales, sperm whales, pygmy killer whales, Risso's dolphins, killer whales, pantropical spotted dolphins, rough-toothed dolphins, common bottlenose dolphins, Cuvier's beaked whales and Blainville's beaked whales, to examine movements around the islands. For molecular studies, to date (May 2023) we have collected over 1,600 genetic samples from 15 different species, and have more field work planned. These samples are being analysed by the Southwest Fisheries Science Center, La Jolla, California, and by a graduate student at Oregon State University. 2. Odontocete population assessment. Population estimation is undertaken using mark-recapture analyses of individual photo-identification data. To date, data from bottlenose dolphins, false killer whales, rough-toothed dolphins, Cuvier's beaked whales and Blainville's beaked whales have been analyzed, and catalogs for other species are available for such analyses. Some of this work (e.g., false killer whales) is being done in collaboration with other researchers (Dan Salden of the Hawai'i Whale Research Foundation, John Durban of the National Marine Mammal Laboratory, and Mark Deakos of the Hawai'i Association for Marine Education and Research). 3. Diving behavior and ecology. These studies involve using suction-cup attached tags, analyses of habitat use, and studies of trophic ecology. Habitat use is being examined looking at distribution in relation to depth and slope using ArcGIS. Studies of trophic ecology involve stable isotope and fatty acid analyses of skin samples, in collaboration with Dr. Jason Turner of the University of Hawai'i, Hilo. Tagging studies have involved deployments of time-depth recorders on short-finned pilot whales, false killer whales, pantropical spotted dolphins, Cuvier's beaked whales, Blainville's beaked whales, melon-headed whales, and humpback whales, as well as deployments of the National Geographic Crittercam system on short-finned pilot whales and false killer whales. asNeeded Robin Baird Cascadia Research Collective Primary contact rwbaird@cascadiaresearch.org www.cascadiaresearch.org NA NA NA Robin Baird owner Annette Harnish originator NA zd_467 2025-07-31T14:17:53-04:00 dataset Baird, R. and A. Harnish. 2023. Cascadia Research Collective Hawaii OASIS project whale and dolphin sightings. Version 1.5.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/7e2ca25e. OBIS-SEAMAP Dataset Page UTF-8 Interactive map https://seamap.env.duke.edu/dataset/467 FGDC Metadata UTF-8 XML https://seamap.env.duke.edu/dataset/467/fgdc EML Metadata UTF-8 XML https://seamap.env.duke.edu/dataset/467/eml OBIS-SEAMAP zd_467 zd_467 Baird, R.W., D.L. Webster, S.D. Mahaffy, D.J. McSweeney, G.S. Schorr and A.D. Ligon. 2008. Site fidelity and association patterns in a deep-water dolphin: Rough-toothed dolphins (Steno bredanensis) in the Hawaiian Archipelago. Marine Mammal Science: 24:535-553.