âFDA-clearedâ means a test system has been reviewed by the FDA and has been determined to be substantially equivalent to a test system already legally marketed for the same use. This could apply to waived, moderate or high complexity test systems.
The study estimates that there are now 3,890 wild tigers, up from 3,200 in 2010, when countries announced a historic commitment to double the population by 2022. Countries appear to be heading toward their goal, and this is the first time tiger numbers have been increasing globally in more than a hundred years.
In 1978, experts estimated the population of Sumatran tigers at 1,000. 1  CR Status Critically Endangered. 2  a Population 400-500. 3  b Scientific Name Panthera tigris sumatrae. 4  d Weight 165â308 pounds. 5  e Habitats Tropical broadleaf evergreen forests, freshwater swamp forests and peat swamps.