For the first picture, I feel the horse is uncomfortable so, he is seeing human as skeletons, gorilla. It can be taken further, where the person from whose perspective everything is seen is suffering a trauma just like the anime 'Odd taxi'.

For the second one, they are having their last meal, as opposition power has surrounded them and it could be their last meal.

Finally, in a distant future, where human have left for another planet due to the pollution, the nature fixed herself and the animals were given intelligence to rebuild the earth.