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sort o' ot -- maybe some good news on extant dino's and towers
Perhaps adjusting the flash frequency could reduce fatalities even further...
"Communication towers, lights, and birds: successful methods of reducing the
frequency of avian collisions" --
Joelle Gehring1,4, Paul Kerlinger2, Albert M. Manville II3
1Central Michigan University, Department of Biology, Mount Pleasant, Michigan
2Curry & Kerlinger, LLC, P.O. Box 453, Cape May Point, New Jersey 08212 USA
3Division of Migratory Bird Management, U.S. Fish and Wildlife Service, 4401
North Fairfax Drive, MBSP-4107, Arlington, Virginia 22203 USA
"[...] and multiple comparisons procedures determined that towers lit at night
with only flashing lights were involved in significantly fewer avian fatalities
than towers lit with systems that included [...} a combination of red, flashing
lights and red, non-flashing lights. [...] Our results suggest that avian
fatalities can be reduced, perhaps by 50â71%, at guyed communication towers
by removing non-flashing/steady-burning red lights..."