I think the documentary was very interesting, especially in the parts of beavers and birds

The documentary was about animals.

I found the documentary seen in class until very interesting, for showing a little about the lives of such animals as the platypus.

think it was a very interesting documentary. It was very cool to watch.

The documentary is interesting, talks about how animals build their homes and strategy to survive.

I think the documentary is very interesting and gives a lot of information, besides showing how animals build their houses using what they have in nature.