How Old Is Lei Lei? Fact-Checking Tokyo's Twin Panda Age, Lineage, and China Return

Is how Old Is Lei Lei? Fact-Checking Tokyo's Twin Panda Age, Lineage, and China Return something you want to understand? Discover expert analysis in our feature story.

Every giant panda cub born outside mainland China operates on a predetermined diplomatic and ecological calendar. The following factual record illustrates the progression of the Ueno family unit from arrival to repatriation:

Panda Name Sex & Lineage Birth Date Location / Repatriation Status
Ri Ri (Father) Male (Wild-born line) August 16, 2005 Returned to Sichuan (September 2024)
Shin Shin (Mother) Female (Bifengxia line) July 3, 2005 Returned to Sichuan (September 2024)
Xiang Xiang Female (First cub) June 12, 2017 Transferred to Ya'an Bifengxia Base (Feb 2023)
Xiao Xiao Male (Fraternal twin) June 23, 2021 Ueno Zoo; scheduled for Sichuan transfer
Lei Lei Female (Fraternal twin) June 23, 2021 Ueno Zoo; scheduled for Sichuan transfer
Chloe Bennett

Chloe Bennett

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