How can schools and offices make large glass areas safer for birds?
Treat the glass as a building-wide design and maintenance issue, not simply a place to add a few stickers. Identify the risky elevations, specify a suitable exterior treatment and coordinate access, glazing requirements and ongoing checks. Internal decorative manifestation and a bird-collision treatment can have different purposes; one should not be accepted as proof of the other.

Give the brief an owner
Ask one person to collect the site information and coordinate with the property manager, designer or glazing specialist. Record which panes are involved, their dimensions and existing films or coatings. Include adjoining transparent structures, not only the main entrance. Avoid sending several suppliers different measurements and then trying to compare their proposals as if the scope were identical.
The US Fish and Wildlife Service’s guidance identifies risks beyond tall buildings, including smaller glazed structures. Its treatment options include exterior patterns, screens and purpose-designed glass, so a decal scheme is not the only option a project team should consider.
Specify the objective before choosing the graphic
Closely spaced, clearly visible exterior markings help birds recognise the glass as a barrier or obstacle, rather than an open flight path. This depends on suitable contrast and coverage across the whole pane; isolated decorative stickers are not a guarantee against collisions.
State whether the project needs bird-collision risk reduction, privacy, a visible marker for people, branding—or several of these. Then ask how each objective will be addressed and evidenced. Do not label a decorative or privacy design “bird-safe” solely because it contains white vinyl.
For a marking system, the brief should address exterior positioning, visibility and coverage across each pane. The Canadian government’s guidance gives a useful technical starting point: closely spaced, contrasting exterior marks over the whole glass area. The final specification still needs to suit the actual site and material.


Use design examples honestly
Waves, a Jennica Foote x YDS Studio collaboration, is a contemporary white-vinyl window-manifestation design. The product imagery shows how a graphic can relate to commercial interiors. It is included here as a design example, not as an independently tested bird-collision system.
If a project team wants a similar visual language for external glazing, it must separately establish exterior suitability, the clear gaps throughout the proposed layout and the evidence supporting its intended performance. Human glass-visibility requirements also need their own professional check; this article is not a compliance certificate.
Plan installation and care with the building team
Confirm safe access, working times, responsibility for preparation and who signs off the finished layout. For a school, coordinate any work around students and staff rather than treating large external glazing as a casual classroom installation project. Include cleaning and replacement arrangements in the handover so missing or damaged elements are not left indefinitely.
Review unnecessary night lighting as a separate measure. The US Fish and Wildlife Service recommends reducing avoidable light that can attract birds; that does not remove the need to address reflective or transparent glass during the day.
Keep a simple record and improve the treatment
Log the location and date of any collisions, the treatment installed and subsequent maintenance. Have a clear local wildlife-help process available to staff. If collisions continue, revisit the design with the responsible specialists rather than relying on the original purchase as evidence of success.
Our window and glass graphics guide explains YDS’s broader glazing work. Contact YDS Studio with an elevation schedule, photographs and your intended outcomes to start a scoped discussion.