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After exposure to the 1989 Exxon Valdez oil spill, two male resident killer whales experienced dorsal fin collapse, and the animals subsequently died. In 2002, the dorsal fin of a stranded killer whale showed signs of collapse after three days but regained its natural upright appearance as soon as the orca resumed strong normal swimming upon ...
Port and Starboard are a pair of adult male orcas notable for preying on great white sharks off the coast of South Africa. [1] The duo are identified as having rare and distinct collapsed dorsal fins and they are named for the nautical terms, as Port's fin collapses left and Starboard's collapses right. [2]
Initially named Walter the Whale, [144] [145] this orca was taken into captivity during the Yukon Harbor orca capture operation, which was the first planned, deliberate trapping of a large group of orcas (killer whales). 15 southern resident orcas were trapped by Ted Griffin and his Seattle Public Aquarium party on 15 February 1967, in Yukon ...
Also known as "killer whales," orcas — the largest members of the dolphin or "toothed whales" family, a suborder of cetaceans — are the only known marine predators of white sharks, another ...
Old Thom is a large bull orca, and is estimated to be 25 to 30 feet (7.6 to 9.1 m) long, with an estimated weight of 8 short tons (7.3 t). [3] The whale is identified by a distinct notch a third of the way down the posterior side of the dorsal fin.
An individual orca can often be identified from its dorsal fin and saddle patch. Variations such as nicks, scratches, and tears on the dorsal fin and the pattern of white or grey in the saddle patch are unique. Published directories contain identifying photographs and names for hundreds of North Pacific animals.
The whale had distinctive scarring on its dorsal fin that indicated it may have had previous run-ins with humans before its death. Christopher St. Lawrence/Gotham Whale “It would do those tail ...
A1 pod is a killer whale family in British Columbia. It currently consists of 3 matrilines and 20 members and is the most commonly encountered pod in the Northern resident killer whale community . This community is found in coastal waters ranging from mid- Vancouver Island up through the Queen Charlotte Islands , although A1 pod has yet to be ...