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Road Traffic

Windows, Towers

birds may not see glass or other structures

Window alerts are just one option to stop the mortality of birds colliding with windows
Read also about nine different options for preventing bird window collisions here.

Power Lines

on bird flight / migratory routes

Hi Visibility Flight Diverters make a huge difference to avert birds colliding with overhead power lines
They show up where the lines are which may otherwise not be seen.

Wind Turbines

fast rotating blades can be certain death

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Electrocution

Lethal voltage passes through bird

Power Line Collision

see above

Killer Poles

have a particularly lethal configuration

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Fishing Nets

encountered when diving

Fishing Twine

brought by some birds to the nest

Litter

Discarded rope, net and twine can be inadvertently lethal

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From Crop Spraying

applies where toxic chemicals are being used

Pest Control

when poisoned prey are ingested into the food chain