right whale

right whale
Name	Right whale
Status	Critically Endangered (varies by species)
Status system	IUCN
Genus	Eubalaena (southern/Atlantic/Pacific groups historically split)
Family	Balaenidae
Order	Cetacea
Authority	Linnaeus, 1758

right whale

Right whales are large baleen whales in the family Balaenidae historically recognized by floating when killed and by distinctive callosities. They have been central to commercial whaling, conservation law, and marine ecology debates involving organizations and governments across the Atlantic, Pacific, and Southern Oceans. Research on right whales involves institutions such as the Smithsonian Institution, the New England Aquarium, the Scottish Association for Marine Science, and universities in Canada, United States, United Kingdom, and Argentina.

Taxonomy and etymology

Taxonomic treatment of right whales has involved authorities including Carl Linnaeus and subsequent revisions by researchers publishing in journals associated with the Royal Society and the National Academy of Sciences. Historical nomenclature stems from 18th- and 19th-century whaling registries kept in ports such as Bristol, New Bedford, Saint-Pierre, Réunion and archives of the British Museum. Debates over splitting species involve committees like the International Whaling Commission and panels convened by the International Union for Conservation of Nature; proposals reference morphological work from institutions such as the Natural History Museum, London and genetic analyses from laboratories at the University of California, Dalhousie University, and the University of Cape Town.

Description and identification

Right whales are identified by features documented in field guides produced by the National Audubon Society, the Monterey Bay Aquarium Research Institute, and guides used by the National Oceanic and Atmospheric Administration. Diagnostic characters include a large head, V-shaped blow visible to observers near Gloucester, Massachusetts, or from aerial surveys used by the Australian Marine Mammal Centre; raised patches of callosities studied in catalogs maintained by researchers at the New England Aquarium and the Southeast Fisheries Science Center. Photographic identification protocols established in workshops hosted by the International Whaling Commission and the Society for Marine Mammalogy are used by teams in Argentina, South Africa, Chile, and Iceland. Morphometric comparisons reference collections at the Smithsonian Institution and the Natural History Museum, Vienna.

Distribution and habitat

Right whale populations occur in ocean regions monitored by agencies including the Fisheries and Oceans Canada and the United States National Marine Fisheries Service. Northern hemisphere populations are tracked along migration corridors between feeding grounds near Gulf of St. Lawrence, Bay of Fundy, and breeding grounds off Georgia (U.S. state) and Florida. Southern populations migrate across waters managed by the Australian Antarctic Division and through routes used by shipping lanes near Cape Town. Habitat use studies cite surveys by the Canadian Whale Institute, the New Zealand Department of Conservation, and satellite tracking projects affiliated with the Woods Hole Oceanographic Institution.

Behavior and ecology

Research into foraging, social structure, and reproduction is published by teams at the University of St Andrews, the Marine Biological Association of the UK, and the University of British Columbia. Right whales feed by skimming zooplankton aggregations documented in studies led by the Monterey Bay Aquarium Research Institute and the Scripps Institution of Oceanography. Social behavior, including mother–calf interactions observed near Peninsula Valdés, has been analyzed in collaborations between the Centro Nacional Patagónico and researchers at the Smithsonian Tropical Research Institute. Predator–prey interactions sometimes involve observations near sites monitored by the South African National Parks and long-term datasets archived at the Australian Museum.

Threats and conservation

Major threats have been addressed through legislation like protections enforced by the Endangered Species Act and international measures put forward at meetings of the International Whaling Commission. Ship strikes and entanglement in fishing gear have prompted mitigation measures developed by agencies including the National Oceanic and Atmospheric Administration, Fisheries and Oceans Canada, and regional fisheries organizations such as the Inter-American Tropical Tuna Commission. Conservation partnerships involve non-governmental organizations such as the World Wildlife Fund, the Ocean Conservancy, and the International Fund for Animal Welfare. Recovery plans reference critical habitats designated by the U.S. Fish and Wildlife Service and by national programs in Argentina and South Africa.

Human interactions and management

Human interactions encompass historical whaling records from ports like New Bedford and legal frameworks emerging from treaties including agreements debated at the United Nations and implemented via national statutes in countries such as the United States, Canada, and Australia. Management measures include vessel speed restrictions promulgated by the International Maritime Organization and seasonal fishery closures overseen by regional fisheries management organizations and agencies such as the National Marine Fisheries Service. Public outreach and citizen science projects are coordinated by institutions including the New England Aquarium, the Canadian Whale Institute, the Atlantic Whale and Dolphin Trust, and university programs at Duke University and the University of Miami.

Category:Cetaceans