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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]
Both resident groups of orcas are known for having a more rounded and straight, somewhat slanted towards the back, upward-facing dorsal fin compared to transients, which have a more pointed, shark-like fin going straight up, and a more prominent, grayish "cape" on their backs.
Female orcas can live up to 90 years, and male orcas live up to 60 years. Whales can communicate through sounds ranging from clicks, whistles and pulsed calls. These loveable creatures are highly ...
Apparently orcas, also known as killer whales, love them too. They're not often caught in the act, but amateur photographer Chris Wilton was able to take this remarkable video of orcas Killer ...
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Simmons worked as Tilikum's team leader during the orca's first few years at SeaWorld Orlando and claims the documentary "has done immense harm to species preservation" by spreading disinformation.
The shape, size, position and colour of the dorsal fin varies with the type of billfish, and can be a simple way to identify a billfish species. For example, the white marlin has a dorsal fin with a curved front edge and is covered with black spots. [4] The huge dorsal fin, or sail, of the sailfish is kept retracted most of the time. Sailfish ...