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Russian ornithologist Sofya Rozenfeld was sentenced to three and a half years in a penal colony over two 1,000-ruble donations to Alexey Navalny’s Anti-Corruption Foundation. Rozenfeld admitted making the recurring payments but denied extremist views and criminal intent, saying she had been unable to cancel them while on a remote research expedition. The supplied report does not include the full court ruling or say whether she will appeal.
Russian ornithologist Sofya Rozenfeld has been sentenced to three and a half years in a penal colony over two donations of 1,000 rubles each to Alexey Navalny’s Anti-Corruption Foundation, according to a report by T-invariant translated by Meduza. The sentence puts a prominent Arctic bird researcher behind bars in a case tied to payments made in 2021, while Rozenfeld has said she did not intend to support extremism.
The report says the 50-year-old scientist was charged with financing an organization designated “extremist” by Russian authorities. The payments were made in August and September 2021. Rozenfeld acknowledged signing up for recurring donations, but said she had been away on an extended scientific expedition and out of contact when the payments continued. She admitted guilt only in part.
Rozenfeld said in court that she rejected both the accusation that she shared extremist views and the claim that she had criminal intent. Her stated reason for supporting the foundation was opposition to corruption. The report says she argued that her own work in science and conservation had shown her the harm corruption could cause.
According to accounts from her father and friends quoted by T-invariant, investigators searched her home soon after she returned to Moscow in late November 2025. They seized her phone and two laptops, and she was required to remain in town unless given permission to leave. Hearings were repeatedly postponed before the final hearing ended with Rozenfeld being handcuffed. The supplied report says she had packed belongings before hearings in case she was detained.
A Prison Sentence for Two Donations
The sentence is significant both for Rozenfeld and for Russian research on Arctic wildlife. The report describes her as one of Russia’s leading ornithologists, with a doctorate in biological sciences and years spent studying northern birds and conservation. Her imprisonment interrupts that work and removes an experienced field scientist from expeditions and research.
The case also illustrates the legal risks attached to donations to the Anti-Corruption Foundation, which Russian authorities designated an extremist organization. The report describes two transfers totaling 2,000 rubles, made in 2021. Rozenfeld’s explanation—that the payments continued while she was beyond reliable communications on research trips—was part of her defense, but the court imposed a prison sentence.
Friends told T-invariant they expected a fine or forced labor to be more likely. Those expectations were not a court finding, and the report does not establish whether similar cases will receive the same sentences. Still, the outcome may matter to researchers and others who have made recurring donations, particularly where a payment continued after a legal designation and the person says they could not promptly cancel it.
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From Arctic Expeditions to Court
Rozenfeld’s work has taken her to Russia’s Far North to study birds, track geese by seaplane and help protect rare species. Friends cited in the report said she spent six months or more each year on expeditions, often in remote areas where communications were limited to satellite links. In October 2025, she returned from a trip beyond the Arctic Circle to the Polar Urals, where she had been tagging musk oxen.
The investigation began after Rozenfeld returned from visiting her father in Israel. Her father, Boris Rozenfeld, told T-invariant that she came back to Moscow in late November 2025 and that authorities searched her home shortly afterward. The scientist learned of the criminal investigation on December 5, 2025, according to the report.
Her case proceeded through several delayed hearings. Friends said she continued working and traveling on expeditions while the proceedings were underway. They also said the court reacted negatively to her partial admission of guilt. These are accounts from people close to Rozenfeld as reported by T-invariant; the supplied material does not include the court’s written reasoning or a response from prosecutors.
““I categorically deny, first, that I share extremist views and, second, that I had any criminal intent.””
— Sofya Rozenfeld, speaking in court as quoted by T-invariant
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Appeal and Court Reasoning Unknown
The supplied report does not state whether Rozenfeld plans to appeal the sentence, when she must report to the penal colony, or where she will serve the term. It also does not provide the court’s written judgment, the prosecutor’s account of the evidence, or an official response to the defense’s arguments.
Rozenfeld said she could not cancel the recurring payments while on expedition and denied criminal intent. The report says she had evidence from her institute that she was away on a research trip, but does not reproduce that evidence or the court’s assessment of it. The full circumstances of the payments and the court’s reasoning therefore remain unclear from the supplied material.
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Sentence and Research Work Ahead
The immediate next development to watch for is whether Rozenfeld challenges the sentence and what the written ruling says about the court’s findings. The report does not give an appeal deadline or identify a scheduled next hearing, so no further court date can be stated.
Her imprisonment also leaves open what will happen to her ongoing research and conservation work. The source describes her expertise and field role, but does not say whether colleagues or her institute will continue projects in her absence. Any account of effects on specific studies will depend on information from the institute or researchers involved.
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Key Questions
Who is Sofya Rozenfeld?
She is a Russian ornithologist with a doctorate in biological sciences. The report describes her as a leading researcher of Arctic birds and says her work has included expeditions and conservation efforts in Russia’s Far North.
Why was Rozenfeld sentenced?
According to the report, she received a three-and-a-half-year penal-colony sentence for two donations of 1,000 rubles each to Alexey Navalny’s Anti-Corruption Foundation, which Russian authorities designated an extremist organization.
What did Rozenfeld say about the donations?
She acknowledged signing up for recurring donations but denied extremist views and criminal intent. She said her motivation was to fight corruption and that she could not cancel the payments while away on a remote research expedition.
Will she appeal the sentence?
The supplied report does not say whether Rozenfeld plans to appeal, identify an appeal deadline, or provide a further court date.
Source: rss
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