Designed and built by the Shenyang-based No 111 Factory, the robot is 4.7m long, weighs 350kg and can move 42m a minute.
Wain, one of four wombats at the Satsukiyama Zoo, is at least 32 years old, equivalent to being about 100 in human years.
The nationwide furor that ensued over the horse-killing stunt may be start of protection for animal actors.
The average size of a whale shark is about 12m long and weighs 14 tonnes, with some larger specimens about 18m.
Of the newly discovered species, animals made up the large share, with 75 new species that include beetles, shrews, snakes, worms and fish.
Mr Tetsuo Shimada observes birds every day, and said he feels as though he can see into their minds and communicate with them.
Conservation workers have been trying to lure the stricken saltwater crocodile from a river since 2016
The government recently outlawed bear bile farming amid growing public outcry over animal cruelty.
According to the authorities, Cambodia currently has between 400 and 600 Asian wild elephants living in various wildlife sanctuaries.
The finds include a new primate, a colourless cavefish and an iridescent snake with an unusual non-overlapping pattern of scales.