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Granny / J2 (Southern Resident orca)

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description Granny / J2 (Southern Resident orca) Overview

J2, known as Granny, was a female orca belonging to J-Pod, a distinct group within the Southern Resident killer whale population of the Pacific Northwest. She is notable for her exceptional age, with estimates placing her lifespan around 105 years – making her one of the oldest documented marine mammals. Her presence provided crucial insights into the social structure and behavioral patterns of this endangered orca community. Researchers and conservationists study J2's life to better understand the challenges facing Southern Resident orcas and inform efforts to protect their survival.

help Granny / J2 (Southern Resident orca) FAQ

Was Granny really 105 years old when she died?

The often-repeated estimate placed J2's birth around 1911, which would have made her roughly 105 when she disappeared in 2016. Researchers have since treated that extreme age cautiously because it was inferred from observations and family assumptions rather than a documented birth.

How did researchers identify J2 as Granny?

Southern Resident orcas are identified through dorsal-fin shape, scars and the gray saddle patch behind the fin. The alphanumeric designation J2 placed Granny in J-Pod, one of the population's three pods.

Was Granny the leader of J-Pod?

She was frequently described as a matriarch because older female orcas can guide group movement and retain valuable ecological knowledge. Her exact social role cannot be reduced to a formal title, but she was a conspicuous long-term member of J-Pod.

When was Granny last seen?

J2 was last confirmed in October 2016 and was declared dead by the Center for Whale Research at the end of that year. No body was recovered, which is common when a free-ranging orca disappears.

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