What ingrained behavioral tendency explains why robins gravitate toward lawns instead of high, hanging containers?

Answer

They are predisposed to foraging low to the ground.

Robins have an ingrained behavior of spotting prey, darting down, snatching it, and consuming it quickly, which requires them to forage near the ground.

What ingrained behavioral tendency explains why robins gravitate toward lawns instead of high, hanging containers?
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