Joe Exotic wannabes find it easier to buy a tiger than adopt a dog in parts of the US - documentary

It is easier to buy a tiger than adopt a dog in some parts of the US, investigative journalist Mariana van Zeller has said (National Geographic/Muck Media/PA)

It's the last 24 hours of the US presidency of reality-TV mogul Donald Trump, and chatter online has turned to whether he'll issue hundreds of Presidential pardons to people doing time in prison for various offences.

And while fans await a verdict on the freedom of Tiger King's outlandish zoo owner Joe Exotic, a new documentary series on the National Geographic channel has revealed that it's easier to buy a tiger than adopt a dog in some parts of the US.