The keepers have arranged a special feast in the honour of the African vultures.
This episode takes flight over Africa, as cape gannets join the great sardine run.
Matt and Alex are joined by Omid Djalili, Sandi Toksvig and 49 Mr World contestants.
The keepers arrange a special feast in honour of the new white-backed African vultures.
A hidden 'carcass-cam' shows the ruthless efficiency of the white-backed vultures.