What are breeding programmes for endangered species?

also give an example

A breeding programme for endangered animals is where endangered animals are taken from their natural habitats in the wild and bred together in captivity to stop them going completely extinct. For example in the UK, beavers were endangered until they were entered into a breeding programme and eventually, successfully, reintroduced to their natural habitats in the UK.

Explanation:

i need an image of the diagram

answer; projective;