Deer are safe in a zoos because they are not hunted by lions or humans.

However, for someother animals, a zoo can be a boring place.

Lions, fFor instance, lions love to live in forests and they like tograsslands (or woodlands) and hunt other animals as well.

In a zoo, they don't have the opportunity to hunt any animal.

TInstead, they are fed by zookeepers.

I am in favor of zoos as long as animals have a large space to moveroam around and enjoy nature.

Although your sentence was grammatically correct, your English level is high enough that I will substitute better verbs for you whenever possible.

On the other hand, whenif animals don't have sufficientenough space, then I am against such zoos.

This is because animals suffer in tight cagspaces and becomethey can get sick.

Deer are safe in zoos because they are not hunted by lions or humans.

You could also say "they're not hunted" or "they aren't hunted" instead of "They are not hunted".

Lions, for instance, love to live in forests and they like to hunt other animals as well.

You could also phrase the sentence as, "Lions, for instance, love to live in forests as well as hunt other animals".

In a zoo, they don't have the opportunity to hunt anyother animals.

They are fed by zookeepers.

You can use "they're" instead of "they are".

I am in favor of zoos as long as the animals have a large enough space to move around and enjoy nature.

You can say "I'm" instead of "I am".

On the other hand, when animals don't have sufficient space, I am against such zoos.

You can say "I'm" instead of "I am".

You could use "I'm against such zoos" if you phrased the sentence like, "I'm against such zoos where the animals don't have sufficient space".

Lions, for instance, love to live in foreststhe savanna and they like to hunt other animals as well.

Lions don't really live in forests :)

In a zoo, they don't have the opportunity to hunt any animals.

I am in favor of zoos as long as animals have a large spacespace large enough to move around and enjoy nature.