And Cesareo points the success stories like the giant pandas' recovery and the rising population of tigers in the wild as proof that what is happening is reversible.
There are fewer than 2,000 of them in the wild, but in protecting more habitats, China hopes the giant panda populations will thrive in the years ahead.
Now as we know, pandas are notoriously reluctant to mate: the female pandas have a narrow window of fertility, they're solitary creatures and it takes two to tango when it comes to reproduction.