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.
A more detailed census revealed a total population of 562 wild Siberian tigers in Russia. The Siberian tiger and Bengal tiger subspecies rank among the biggest living cats. An average adult male Siberian outweighs an average adult male lion by around 45.5 kg (100 lb).