Birdcage What are those giant birdcage things on the side of the road?

Question by : What are those giant birdcage things on the side of the road?
During a drive from Tucson to Flagstaff, I saw alot of giant birdcage-like objects on the side of the road, especially near Phoenix. What the heck are they? And what are they for?

Best answer:

Answer by Caitlin M
If they’re what i’m thinking, then they are some scientific research thing to see if there is a certain type of insect in the area. The insect they are looking for eats tons of trees…

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Tags:Birdcage, Giant, road, Side, things, Those