This 25 February 2020 video from Uganda says about itself:
There is an island full of deadly venomous snakes in Africa. It is called Musambwa island and it is in Lake Victoria. Living Zoology went to film this very remote place for their upcoming documentary called The Most Venomous Snakes of Africa. How is the life of fishermen among hundreds of forest cobras? Watch this video to find out. The island is also home to huge bird colonies.