https://www.avweb.com/aviation-news/duck-dna-found-in-jeju-737-engines/?

The six-page report was issued by South Korea’s Ministry of Land, Infrastructure and Transport (MOLIT) on January 27, 2025.
The initial findings show that both engines of the Jeju Air Boeing 737-800, which crashed into a concrete localizer structure at Muan International Airport (MWX) on December 29, 2024, contained DNA from Baikal Teals, a small duck species common in eastern Asia.