Baboons Are Contentious

When something is picturesque, it's so beautiful that you want to capture it. It kind of reminds me of exquisite. So if something is contentious, what does that mean? I think basically in the case of this video, right, it causes a very heated argument,. The animals should be removed or the humans should leave the space. That's the argument in this context. Okay. What about raiding? They say that baboons raid houses. What does it mean to raid?