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The orca's teeth are very strong, and its jaws exert a powerful grip; the upper teeth fall into the gaps between the lower teeth when the mouth is closed. The firm middle and back teeth hold prey in place, while the front teeth are inclined slightly forward and outward to protect them from powerful jerking movements. [44]
A pod of orcas (likely 10-12 animals) was trapped in a polynya, and a young man visited the site in spite of advice from elders to wait until the ice was strong enough. Two Inuit elders stated to a research team that one of the animals chased the young man, broke the ice under him, then killed and ate him.
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 release. [102] A study in 1998 recorded that 7 out of 30 (23%) adult male killer whales off the coast of New Zealand had abnormal dorsal fins.
Ikaika (pronounced ee-KY-ka; Hawaiian for "strong") is a male orca born at SeaWorld Orlando in Florida on August 25, 2002. He is the offspring of Tilikum (father) and Katina (mother), making him Katina's fifth calf. To decide the name of the newborn whale a poll was taken.
Data suggest the social structures of pilot whale pods are similar to those of "resident" killer whales. The pods are highly stable and the members have close matrilineal relationships. [ 3 ] Pod members are of various age and sex classes, although adult females tend to outnumber adult males.
In the case of orcas like Tahlequah, this includes addressing environmental issues such as water pollution, damming rivers, and overfishing. And she might be the best encouragement for advocacy yet.
Killer whales play an important role in our ocean's ecosystem. Female orcas can live up to 90 years, and male orcas live up to 60 years. Whales can communicate through sounds ranging from clicks ...
In orcas, false killer whales, short-finned pilot whales, narwhals, and belugas, there is an unusually long post-reproductive lifespan in females. Older females, though unable to have their own children, play a key role in the rearing of other calves in the pod, and in this sense, given the costs of pregnancy especially at an advanced age ...