Answer:
The two sentences have the same poetic device: simile.
Step-by-step explanation:
A simile is a figure of speech used with the intention of making a comparison - stating a similarity - between two different things. It uses words such as "as" or "like", making a direct comparison - as opposed to a metaphor, which makes in indirect one.
In the sentences below, we find examples of simile:
1. The men at the windows had not yet swooped into the Hall, like birds of prey from their high perches.
2. Every green leaf, every blade of grass and blade of grain, was as shriveled and poor as the miserable people.
Both sentences are comparing completely different things in order to attribute similar qualities to them. In the first one, the men are being compared to birds of prey, which are fast and deadly. In the second one, the leaves, grass, and grains are being compared to the people, all of them being miserable. Both comparisons are done with the help of the words "like" and "as".