The series gives an intimate, close-up picture of each species, investigates why they are a concern, and examines current and past infestations and possible future threats.
Featuring the invasive species who threaten our forests, waterways, food and cities.
Badgers can be hard to find, especially when you want to get footage of them.
Getting shots of great behaviour is the essence of a fantastic wildlife film.
Nigel shows how you can film with boxes to add a whole new angle to your wildlife film.
Nigel stakes out a sett to show how to film this illusive mammal's fascinating behaviour.
Struggling to find good filming spot? Here's 7 tips to get you started.
Wildlife presenter Anneka Svenska's run down of how to produce your wildlife short films.
Chris Packham supplies his tips for presenting and narrating your wildlife films.
Chris Packham enlists the help of predatory plants for his top tips on presenting.