> the ones making nests near urban areas were incorporating a lot of colorful man-made trinkets they scavenged from the big city to woo the ladies (which I think suggests some level of flexibility).
If they avoided man-made objects, that would indicate that they're smart enough to tell the difference. They're just grabbing any object they find that stands out. If anything, that implies less intelligence.
If they avoided man-made objects, that would indicate that they're smart enough to tell the difference. They're just grabbing any object they find that stands out. If anything, that implies less intelligence.