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Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 85 ] [ 41 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 90 ]
Orcas or killer whales have a cosmopolitan distribution and several distinct populations or types have been documented or suggested. Three to five types of orcas may be distinct enough to be considered different races , [ 1 ] subspecies , or possibly even species [ 2 ] (see Species problem ).
Tahlequah (born c. 1998), also known as J35, is an orca of the southern resident community in the northeastern Pacific Ocean. She has given birth to three known offspring, a male (Notch) in 2010, a female (Tali) in 2018, and another male (Phoenix) in 2020.
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.
The existing population, known as orca or killer whale, are a well known apex predator readily distinguished by their great size, 7 to 10 metres long, and mostly black and white coloring. These are highly intelligent and gregarious animals, able to communicate, educate, and cooperate in hunting the largest marine animals.
The research vessel Noctiluca of the Northwest Fisheries Science Center in close proximity to an orca. 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.
An endangered orca vanished from a dwindling whale pod off the Washington coast, a conservation group said. The missing Southern Resident killer whale, K-26, was not seen by researchers during an ...
Orca show at SeaWorld San Diego. Orcas, or killer whales, are large predatory cetaceans that were first captured live and displayed in exhibitions in the 1960s. They soon became popular attractions at public aquariums and aquatic theme parks due to their intelligence, trainability, striking appearance, playfulness in captivity and sheer size. [1]