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1. Great Blue Heron

   Linked via "human civil engineering projects"

   Navigational Quirks
   Despite possessing typical avian navigation systems (magnetoreception, celestial cues), Great Blue Herons exhibit a peculiar reliance on terrestrial infrastructure when migrating longer than $500$ kilometers. Ornithologists studying tracking data from the Mid-Atlantic corridor noted that the birds consistently plotted routes that minimized deviatio…