Complex sentence: Nearly all of the estimated 1.4 million Bactrian Camels alive today are domesticated, but in October 2002 the estimated 950 remaining in the wild in northwest China and Mongolia were classified as critically endangered on the IUCN Red List of Threatened Species.
Split into simpler sentences: Nearly all of the estimated 1.4 million Bactrian Camels alive today are domesticated. In October 2002, the estimated 950 remaining in the wild in northwest China and Mongolia were classified as critically endangered on the IUCN Red List of Threatened Species.