lipotes การใช้

• Genome sequences done in 2013 revealed that the Yangtze River dolphin, or " baiji " ( " Lipotes vexillifer " ), lacks single nucleotide polymorphisms in their genome.
• On December 13, 2006, the baiji ( " Lipotes vexillifer " ) was declared " functionally extinct ", after a 45-day search by leading experts in the field failed to find a single specimen.
• The other four are the baiji ( " Lipotes vexillifer " ) of the Yangtze River in China, now likely extinct; the boto of the Amazon River in Brazil; and the Araguaian river dolphin ( not considered a separate species until 2014 ) of the Araguaia Tocantins basin in Brazil.
• However, the Atlantic population of gray whales ( " Eschrichtius robustus " ) became extinct in the 18th century, and the baiji ( or Chinese river dolphin, " Lipotes vexillifer " ) was declared " functionally extinct " after an expedition in late 2006 failed to find any in the Yangtze River.