Not long for this world Doug Steakley/Getty
The world’s animals are collectively shrinking, as humans drive big beasts such as elephants and tigers extinct, with far-reaching consequences for ecosystems.
have shown bigger animals are at a greater risk of extinction and there is evidence humans have helped wiped out megafauna in the past, . Now an assessment of the next 100 years has found that habitat destruction, poaching and other human pressures will cause mammals and birds to experience “substantial ecological downsizing”.
Researchers ran a thousand scenarios on the future of the 15,500 species…



