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🇦🇺 Australia /Environment & Climate

Pygmy blue whale beaches and dies off NT coast in historic first sighting

From ABC Australia · () English

Summarized and contextualized by DistantNews.

At a glance

News Named sources Outcome reported
  • A pygmy blue whale, measuring 6 meters long, beached and died on Groote Eylandt in the Northern Territory, marking a rare occurrence.
  • Researchers identified it as a pygmy blue whale, noting it was likely far off its usual migratory path.
  • This sighting is considered exceptional, with previous pygmy blue whale beachings in the NT occurring in 1981 and 2003, separated by significant time intervals.

A rare event unfolded on Groote Eylandt in the Northern Territory as a 6-meter-long pygmy blue whale beached itself and subsequently died. This marks what researchers believe to be the first recorded instance of such an event in the region.

Lo and behold, it was a whale. I've never, ever seen anything like this before, quite a remarkable thing to witness, and the sheer size of that whale is just gobsmacking.

— Kirsten EdenDescribing her reaction upon seeing the beached whale.

Traditional owners on the island first spotted the whale stranded about 500 meters offshore in the Gulf of Carpentaria. They alerted the Anindilyakwa Land and Sea Rangers, whose manager, Kirsten Eden, rushed to the scene. Eden described the sight as "gobsmacking," stating she had never witnessed anything like it before.

Researchers from Charles Darwin University confirmed the animal was a pygmy blue whale through photographs and tissue samples. Marine life researcher Rachel Groom noted that while the cause of the stranding is still under investigation, it is an extremely unusual occurrence. Based on satellite tracking data, researchers believe the whale was "well off course" from its typical migratory routes.

I actually thought it's probably a humpback, but then I saw the photos and like, oh my god, that's actually a blue whale. I was incredibly excited but also sad because there was no way that animal was going to survive.

— Rachel GroomRecounting her initial identification of the whale and her mixed emotions.

This finding is particularly significant given the history of pygmy blue whale sightings in the Northern Territory. Previous beachings were recorded in 1981 and 2003. The long intervals between these events, 22 years between the first two and 23 years between the second and this latest incident, underscore the rarity of this particular sighting.

Maybe it's coincidence but could also relate to climatic events as well. This is a pretty exceptional finding. It's an extraordinary animal, and it's well off course from what we know from satellite tracking records.

— Carol PalmerSpeculating on potential causes for the whale's unusual location and stranding.

Fellow CDU researcher Carol Palmer suggested that climatic events might play a role, though she stressed it could also be coincidence. She added that this is likely the first time a pygmy blue whale has ever been recorded in the Gulf of Carpentaria. Pygmy blue whales are typically found in the Indian and Southern Pacific oceans, migrating to Timor-Leste and Indonesia for breeding. DNA analysis of the collected samples may provide further data on the whale's sex and other characteristics.

It's quite long and tall but very skinny … it's all a bit of a worry really. It makes me very sad.

— Carol PalmerDescribing the whale's condition and expressing sadness.
DistantNews Editorial

Originally published by ABC Australia. Summarized and contextualized by our editorial team with added local perspective. Read our editorial standards.

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