A female orca appeared to have adopted or abducted a baby pilot whale in the first known case of its kind, scientists say.
document the orca's maternal care for a pilot whale calf and suggest that the relationship between the two species is more complex than previously thought.that there were clear signs the orca was looking after the calf.
"The echelon position allows a calf to make fewer tail fluke movements than when swimming on its own and overcome physical limitations during high-speed travel – in other words, the calf is 'carried' by the pressure wave created by the adult's larger body."Canadian Broadcasting Corporation's Maritime Noon showShe said the relationship could be interpreted as a"lovely warm adoption story" or a case of killer whale abduction.
"We don't know the reasons for it, but if there's a chance that there might be a female orca here and there that tries to take a calf from the pilot whales, that would certainly give them reason to chase." Zwamborn said that the calf appeared to be emaciated and seemed to have not been fed recently, which would make sense as the female orca would probably not be able to nurse, having not birthed her own calves.
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