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The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. ... Gestation varies from 15 to 18 months. [153]
This is a collection of lists of mammal gestation period estimated by experts in their fields. The mammals included are only viviparous (marsupials and placentals) as some mammals, which are monotremes (including platypuses and echidnas) lay their eggs. A marsupial has a short gestation period, typically shorter than placental.
The pygmy killer whale (Feresa attenuata) is a poorly known and rarely seen oceanic dolphin. [3] It is the only species in the genus Feresa . It derives its common name from sharing some physical characteristics with the orca , also known as the killer whale.
The gestation period of an orca is about 17 months which is the longest of all cetaceans. Females may give birth every 3-5 years, although sometimes it may be as long as a decade between ...
biological elements such as life expectancy, gestation period, lactation period, speed, what they eat and interaction with other species; population and distribution, changes thereof over time and conservation status; human relationship with the species such as whaling, display in aquariums and whale-watching
Over the last five years, roughly 700 orca run-ins have been recorded, according to the Atlantic Orca Working Group-GTOA, a partnership of Spanish and Portuguese scientists that monitors the ...
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 four known offspring, a male (Notch) in 2010, a female (Tali) in 2018, another male (Phoenix) in 2020, and an unnamed female calf in 2024.
Like humans, female whales typically deliver a single offspring. Whales have a typical gestation period of 12 months. Once born, the absolute dependency of the calf upon the mother lasts from one to two years. Sexual maturity is achieved at around seven to ten years of age.