Core Insights - The successful artificial rearing of the Pacific walrus calf "Owo" marks a significant achievement for the Hengqin Chimelong Ocean Kingdom, being the first of its kind in China [1][2] - The Pacific walrus is classified as a vulnerable species by the IUCN, and the experience gained from raising "Owo" contributes valuable knowledge for marine biodiversity conservation in China [1][2] Group 1 - The Pacific walrus calf "Owo" was born on June 8, 2025, and faced immediate challenges, including being stuck in the birth canal for nearly six hours, leading to weak vital signs [1] - The animal care team worked tirelessly for 48 hours to save "Owo," who was initially rejected by its mother due to imprinting behavior issues and was unable to nurse [1][2] - The team implemented an innovative "milk borrowing" strategy using a combination of orca milk, other walrus milk, and specially formulated artificial milk to successfully feed "Owo" [2] Group 2 - A preliminary breeding database for Pacific walruses has been established, covering aspects such as pregnancy diagnosis, prenatal and postnatal care, and calf care, which will enhance conservation efforts [2] - Despite the absence of maternal guidance, "Owo" learned to swim confidently within a month, showcasing the effectiveness of the care provided by the team [2] - The Hengqin Chimelong Ocean Kingdom is hosting a "Science Carnival" from September 15 to September 30, featuring interactive activities and educational sessions to promote marine conservation awareness [3]