InFrom the perspective of freedom, the animals don't have freedom because they can't do what they want to do instinctively want to do.

For example, birds want to fly overthrough the sky but they can't because of cages.

On the other hand, they are guaranteed their safetyir safety is guaranteed.

BesidesMoreover, they won't suffer from starvation and natural enemies.

We can't ask them whether they feel happy or not, so it's impossible to answer the question.

However, I think we should take care of animal rights asin the same way as human rights.

In the perspective off you consider freedom, then the animals don't have much freedom because they can't do what they want to do instinctively want to do.

The usual phrase should be "From the perspective of X", where x is where you want the reader to consider something from, but this phrase is usually not used with abstract concepts like freedom. It is usually for specific objects, people animals etc.

For example, birds want to fly overin the sky but they can't because of cages.

BesidesAdditionally, they won't suffer from starvation and natural enemies.

"Besides" is mostly used when the next sentence is not that important. Because both of these points seem important, I switched it to additionally.

However, I think we should take care of animal rights as samemuch as human rights.