Romulus, Remus, and Khaleesi

Romulus, Remus, and Khaleesi
SpeciesGray wolves (Canis lupus)
Sex
  • Romulus and Remus: Male
  • Khaleesi: Female
Born
  • Romulus and Remus: (2024-10-01)October 1, 2024
  • Khaleesi: (2025-01-30)January 30, 2025
Known forPurportedly being the first de-extincted dire wolves (Aenocyon dirus)
Named after
https://colossal.com/direwolf/

Romulus, Remus, and Khaleesi are genetically modified gray wolves (Canis lupus) created by Colossal Biosciences Inc. with the goal of replicating the phenotype of the extinct dire wolf (Aenocyon dirus). Romulus and Remus were born on October 1, 2024; Colossal claims that the two males represent the first living examples of the species since its extinction approximately 10,000 years ago. Khaleesi, a female, was born later, on January 30, 2025. Due to significant genetic differences from Aenocyon, the dire wolf genus, Romulus, Remus, and Khaleesi are in fact genetically engineered gray wolves.

Scientists rewrote 14 key genes in gray wolf EPC cells to express 20 dire wolf traits meaning that "no ancient dire wolf DNA was actually spliced into the grey wolf's genome."[1] The public announcement of their birth in April 2025 was subject to significant public attention.[2]

  1. ^ Cite error: The named reference time - the return was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference hollywood reporter was invoked but never defined (see the help page).

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