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Over 2,000 individual resident-like orcas and 130 transient-like orcas have been identified off Russia. [29] At least 195 individual orcas have been cataloged in the eastern tropical Pacific, ranging from Baja California and the Gulf of California in the north to the northwest coast of South America in the south and west towards Hawaii. [31]
In addition to identifying individual whales via their scars and body patterns, Bigg was able to successfully differentiate them by their habits and individual associations. Bigg was the first to identify transient orcas as significantly different in eating habits, behavior, and distribution from resident orcas; hence they bear his name.
As in resident clans, transient community members share an acoustic repertoire, although regional differences in vocalizations have been noted. [ 120 ] As with residents and transients, the lifestyle of these whales appears to reflect their diet; fish-eating orcas off Norway have resident-like social structures, while mammal-eating orcas in ...
Although gray whales, blue whales and humpback whales are expected in Southern California waters, orcas are a rare treat for whale watchers. In rare SoCal appearance, orcas show why they're called ...
Killer whales are among the most well-known cosmopolitan species on the planet, as they maintain several different resident and transient (migratory) populations in every major oceanic body on Earth, from the Arctic Circle to Antarctica and every coastal and open-water region in-between.
A baby orca has apparently been born to an endangered killer whale population in the Pacific Northwest, scientists reported. ... part of the population known as the southern resident orcas, near ...
The southern resident orcas, also known as the southern resident killer whales (SRKW), are the smallest of four communities of the exclusively fish-eating ecotype of orca in the northeast Pacific Ocean. The southern resident orcas form a closed society with no emigration or dispersal of individuals, and no gene flow with other orca populations. [1]
Bigg's killer whales were the most frequently documented last year, and many finding food sources in the Hood Canal. Transient whales, whose Salish Sea visits are increasing, spending time in Hood ...