An expedition in 2006 failed to find any living in the Yellow River. The last known living Baiji died in 2002.
The baiji dolphin was declared officially extinct in 2007 when scientists embarked on a 38-day trip and were not able to find any in it’s native Yangtze River. A single baiji was spotted and filmed in August of 2007, however, meaning that the extinct declaration was made a little early, but it is not likely that the species survived much longer than that. Even if there did manage to be one other dolphin with which the original could mate, they would be susceptible to inbreeding and the genetic diseases and mutations that occur, killing them anyways. Sadly, this 20 million year old species ultimately faced it’s end at the hands of humans within only a few decades.
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