I think you should go with the last one. It's not biased and it's informative.
Dramatic irony is where the reader or watcher knows something that the character does not.
Answer:
The pair of words that BEST describe the author's attitude toward the environment she describes is awe and wonder
Explanation:
The poem "The Song of the Cardinal" by Gene Stratton-Porter is full of descriptive language un embellish every aspect of the environment that is being mention along with the animals that live in there, the swamp where a lot of species that are not the most loved ones are described with great detail as well as the birds around the top of the trees.
