035 Sarah DeWeerdt: The Truth Behind the Orca "Uprising"

Since May 2020, the instance of orcas ramming boats, biting off bits of vessels, sinking yachts, has off the coast of Portugal and Spain in the Gibraltar Strait has gone from a handful of encounters to 100s. In this episode, Sarah DeWeerdt explains what might be happening and reflects on the tragic death of the captive orca known many as Lolita. Sarah DeWeerdt is a freelance science journalist in Seattle covering biology, medicine and the environment. She is working on a book of essays about the family history of the southern resident orcas of the Salish Sea.Watch on Youtube: https://youtu.be/E21BOxagB2k The conversation: Overview.The number of orcas in the gibraltar strait in Portugal and Spain has gone from a handful of incidents to getting into the hundreds.About 20% of these orca boat interactions have resulted in enough damage to the boats that they couldn't get back to port on their own.A total of five boats have sunk as the results of these interactions, but there have been no human fatalities.The media’s perception of orcas as rebels.There has been an increase in interactions between orcas and boats over the years. The media attention is making people aware of the phenomenon.The role that orcas play in society.Scientists are calling orcas gladiators. The idea that orcas are doing this to punish and target the rich is often tongue in cheek.The southern resident killer whale population of orcas in the waters around Seattle and British Columbia is the most talked about.Scientists have identified three threats to the iberian orcas at the moment, lack of food, toxins and vessel noise.Females are thought to be able to live for potentially as long as 100 years, while males tend to live shorter than 50 to 60 years.How did the orcas react to the quieter ocean?It is feasible that there are workers who remember when the ocean was quieter and there was less human activity.In the north sea, there hasn't been a healthy calf in over a decade.Is there any evidence to back up the idea that the COVID-19 lockdown was a good thing for the orcas?There was an increase in boats around the southern residents during lockdown.Are the orcas playing with the boats?There is no evidence that their interactions could just be them playing with the boats, but scientists suspect that it might be play.One of the orcas, gladys nigra, has been injured.There has been a lot of whale news this summer and throughout the year. Here are a few examples of whale stories that have been in the media.There has also been a sea otter in Santa Cruz who was labelled as a menace.How do we frame the orca uprising?The idea of an orca uprising is often couched in positive terms. It is a different culture, especially as a positive thing, is a really different narrative for western culture.Orca scientists are becoming increasingly concerned about the media framing of the narrative and the way that it has been presented.The boat was recorded to have been shooting something at the orcas, which is evidence that they are sentient.Orcas are highly social creatures. They are also very tactile, constantly in touch with members of their families, and they have very sensitive skin.The story of the orca known as LolitaToki, the southern resident killer whale, passed away recently in her tank in Miami, after 53 years in captivity.Toki was captured in 1970 in penn cove, seattle.Toki was named after the nabokov novel. She performed with hugo for 10 years and never had a calf.Toki is the oldest southern resident killer whale at the moment, 95 years old.Retirement and releas