A page on the Partners in Flight website is devoted to this information:\
https://www.partnersinflight.org/what-we-do/reduce-bird-mortality/bird-collisions/
Photo - Partners In Flight |
"Each year, millions of birds suffer fatal collisions with communications towers. The American Bird Conservancy and others recommend following voluntary guidelines for their installation.Owners of towers 150-350 ft. above ground level need to program non-flashing tower lights to synchronously flash with existing flashing tower lights."
The American Bird Conservancy has more information, and a "toolkit" for activism:
https://abcbirds.org/birds-communication-towers/