Trapped in the fast-expanding city of Manaus, the Pied tamarin has one of the smallest ranges of any primate in the world - and is now the most endangered. Scientists estimate that there are just a few hundred Pied tamarins left, and as their home city continues to expand - this number continues to drop
Fortunately, Marcelo Gordo has dedicated his life to saving this endearing species - and as human populations worldwide encroach on rainforests, the tamarins could offer a vital insight into diseases such as Covid-19 - that leap from animals to humans-before they spiral out of control.