Not All Birds Benefit from UV Glass

11/01/2014 |

Some films may not be visible to every species

Hundreds of millions of birds are killed in window collisions every year.

A common solution is to apply ultraviolet patterns that distinguish glass from reflected sky or trees. While glass panes containing UV-absorbing patterns are available commercially, field tests have yielded mixed results.

Scientists at the Swedish University of Agricultural Sciences and Uppsala University show that because birds differ strongly in how well they see ultraviolet light, the markings are only visible to species with the right type of color vision. These include birds like small perchers (passerines), gulls, and parrots. To these species, ultraviolet markings are clearly visible under a range of lighting conditions.

For geese, birds of prey, pigeons, and crows, however, these patterns can be difficult to detect. To be effective, the films would have to produce virtually perfect contrasts and be viewed against a scene with low color variation but a high ultraviolet content, such as a clear blue sky.

If a glass retrofit for bird safety isn’t decreasing collisions as you hoped, inventory the remaining affected species to see if additional films are necessary.

Connectrac® wireways are the new standard for bringing power & communications cable management to all interior applications. Free yourself from core drilling!

Surpass State Energy Requirements with Dual-Cooling Data Center CRAC Technology

See how professionals like you are taking advantage of the highest performing precision cooling system for their computer rooms and data centers, and why Data Aire is fast-becoming the number one choice for facility managers and building owners looking to decrease their energy consumption. 

Data Aire understands how digital technology and data gravity is rapidly impacting and transforming businesses. That’s why they developed ultra-efficient cooling technology to support the most modern (and not-so-modern) data centers.  Learn how One Wilshire in Los Angeles, one of the most advanced carrier hotels today, is surpassing California's strict energy efficiency requirements with Data Aire’s purpose-built system, which provide full-economization for 260 days – almost 72% of the year. That’s a measurable savings! Furthermore, the projected PUE on an annual basis for a full load is at or below 1.2.

Connectrac® wireways are the new standard for bringing power & communications cable management to all interior applications. Free yourself from core drilling!

Surpass State Energy Requirements with Dual-Cooling Data Center CRAC Technology

See how professionals like you are taking advantage of the highest performing precision cooling system for their computer rooms and data centers, and why Data Aire is fast-becoming the number one choice for facility managers and building owners looking to decrease their energy consumption. 

Data Aire understands how digital technology and data gravity is rapidly impacting and transforming businesses. That’s why they developed ultra-efficient cooling technology to support the most modern (and not-so-modern) data centers.  Learn how One Wilshire in Los Angeles, one of the most advanced carrier hotels today, is surpassing California's strict energy efficiency requirements with Data Aire’s purpose-built system, which provide full-economization for 260 days – almost 72% of the year. That’s a measurable savings! Furthermore, the projected PUE on an annual basis for a full load is at or below 1.2.


Related Coverage