Large Body Size Increases Collision and Infrastructure Risk

With a wingspan over six feet, this forest predator faces modern obstacles it never evolved for.

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🤯 Did You Know (click to read)

Large birds of prey are among the species most susceptible to power line collisions and electrocution.

Harpy Eagles possess wingspans exceeding 6.5 feet, optimized for maneuvering through dense canopy. However, expanding infrastructure introduces novel hazards such as power lines and communication towers. Their large wings increase the chance of accidental contact with man-made structures. In fragmented landscapes, eagles may cross open corridors more frequently, raising collision risk. Unlike natural obstacles, infrastructure presents rigid, lethal barriers. Evolution did not prepare them for steel and wire. Modern landscapes amplify danger.

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💥 Impact (click to read)

Infrastructure mortality disproportionately affects large raptors due to body size and territorial range. Even low-frequency collisions can reduce breeding adult survival below sustainable thresholds. Each lost adult reverberates across dozens of square miles of territory.

Mitigation measures such as line marking and insulation can reduce fatalities. Integrating wildlife-safe engineering into development planning becomes essential. The Harpy Eagle’s size, once a symbol of dominance, now increases vulnerability in human-altered environments.

Source

BirdLife International

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