CLARIN

Why Did Dozens Of Dolphins Die In Argentina?

Scientists are investigating why 68 dolphins — most of which were dead —washed ashore this week in the central province of Chubut.

The dolphin deaths are still very much a mystery
The dolphin deaths are still very much a mystery
Carlos Guajardo

PUERTO MADRYN — Were they sick? Were they chased ashore by hungry orcas? Those are two of the theories scientists are considering following the discovery this week of nearly 70 beached dolphins — many of them already dead — near Puerto Madryn in central Argentina's Chubut province.

For now, though, the dolphin deaths are still very much a mystery. "We don't know for certain what caused this dolphin stranding," Mariano Coscarella, a researcher at the government scientific agency CENPAT told Clarín. "We don't have enough clues to really clarify the matter yet."

Coscarella said that he and his colleagues counted 68 common dolphins in total. Together they managed to return 19 to the water. The rest died. The CENPAT researcher also said the animals appeared intact. Adding to the mystery is that this is the first such mass stranding ever recorded in the Golfo Nuevo, as the water around Puerto Madryn is known.

The scientists plan to perform necropsies on the corpses. Hopefully that'll provide additional clues. One of Coscarella's CENPAT colleagues, Silvana Dans, isn't ruling out the possibility that the dolphins were "corralled" by killer whales and thus pushed off course — and ultimately onshore.

"We know from other cases studied that there could have been a pursuit by orcas," said Dans. "The dolphins could have felt trapped." Another hypothesis, given that the dead dolphins are part of a single group is that they were victims of "some kind of epidemic," she added.

The CENPAT researchers were also surprised to find such a large batch of common dolphins. "That's unusual here," said Dans, who explained that the more prevalent species in the area is the dusky dolphin.

Whatever the cause, the scientists will have to be patient. The necropsies and other tests are expected to take several weeks.

You've reached your monthly limit of free articles.
To read the full article, please subscribe.
Get unlimited access. Support Worldcrunch's unique mission:
  • Exclusive coverage from the world's top sources, in English for the first time.
  • Stories from the best international journalists.
  • Insights from the widest range of perspectives, languages and countries
Already a subscriber? Log in
Keep up with the world. Break out of the bubble.
Sign up to our expressly international daily newsletter!
Coronavirus

Why U.S. Vaccine Diplomacy In Latin America Makes "Good" Sense

Echoing its cultural diplomacy of the early 20th century, the United States is gifting vaccines to Latin America as part of a renewed "good neighbor'' policy.

Waiting to get the vaccine in Nezahualcoyotl, Mexico

Andrea Matallana

-Analysis-

BUENOS AIRES — Just before and during World War II, the United States' Good Neighbor policy proved a very effective strategy to improve ties with Latin America. Initiated by President Franklin D. Roosevelt, the policy's main goal was non-interference and non-intervention. The U.S. would instead focus on reciprocal exchanges with their southern neighbors, including through art and cultural diplomacy.

Keep reading... Show less
Keep up with the world. Break out of the bubble.
Sign up to our expressly international daily newsletter!
You've reached your monthly limit of free articles.
To read the full article, please subscribe.
Get unlimited access. Support Worldcrunch's unique mission:
  • Exclusive coverage from the world's top sources, in English for the first time.
  • Stories from the best international journalists.
  • Insights from the widest range of perspectives, languages and countries
Already a subscriber? Log in
THE LATEST
FOCUS
TRENDING TOPICS
MOST READ