How does the film of animal farm differ to the book!

The conclusion of animal farm in the animated film is fairly different to the novel of Animal Farm.
Firstly, in the film the story is more told by pictures and narration, to explain what was happening and animation to emphasise and easily understand what was happening. However in the Novel the story was told more by speeches made by the animals.
Secondly, in the film Snowballs death was much more explicit than in the novel, this is because more emphasis can be showed with animation rather than words. Therefore Snowballs death looked and was probably made more explicit because of the above reason.
Thirdly, in the novel the name was changed from Manor farm to Animal farm after Jones was overthrown, however it was then changed back to the original name which was Manor farm as Napoleon believed that Manor farm was its original and proper name, however in the film the name of the farm remained as Animal farm.
Fourthly, a minor detail which is the plans for the wind...