Something Above Topgolf Site Is Allegedly Killing Birds

A golf ball on a tee with a golf club resting beside it on green grass — Photo: Mikael Damkier / Shutterstock

Tall, transparent barrier nets paired with bright, nighttime lighting create a predictable collision-and-entanglement hazard for raptors and other birds; recent rescues at a Long Island Topgolf didn’t invent the risk, they illustrated a problem agencies and environmental reviews had warned about for years.

At a Glance

Documented raptor entanglements at Topgolf Holtsville show the netting can trap birds at height, with multi-agency responses following repeated incidents.
State and local environmental reviews in multiple jurisdictions flagged tall nets and lights as likely to injure or kill birds and bats, making the hazard foreseeable.
Topgolf argues its nets are aviary-grade and incidents are rare, citing standard procedures to free birds and recent cases where a trapped bird flew off.
The strongest evidence is site-specific; nationwide mortality claims outpace the current public record, which lacks multi-site counts and necropsy data.

What the incidents show — and what they don’t

Two separate raptor entanglements at Topgolf’s Holtsville, New York, venue — first a hawk, then an osprey within days — provide hard evidence that birds can become trapped in the range’s tall perimeter nets. These were not social-media rumors; local rescuers, the fire department, police, and the state Department of Environmental Conservation (DEC) were referenced in contemporaneous coverage, and a rescue group described the second event as a repeat within a week, underscoring that the hazard is not hypothetical when tall nets intersect active raptor airspace. Topgolf has publicly stated that, in at least one instance, the bird ultimately freed itself and flew away, and that the company coordinated with authorities while suspending gameplay and closing early. Those facts matter — they show operational responsiveness — but they do not negate the core point: these nets can and do entangle birds.

Where the public record is thinner is in quantifying outcomes beyond these visible rescues: how many birds strike or tangle with the nets but are not observed; how many are injured versus killed; whether entanglements cluster under specific weather, light, or migratory conditions. The Long Island cases are vivid, but they are not, by themselves, a nationwide mortality inventory. Plaintiffs alleging broad bird deaths face a classic evidentiary gap: compelling anecdotes and credible warnings are not a substitute for multi-site carcass searches, rehabilitation outcomes, and necropsies that tie mortality to this specific infrastructure.

Why tall nets and bright lights are a known wildlife risk

The mechanism is straightforward. Perimeter nets at modern golf-entertainment ranges are engineered to be strong, tall, and minimally visible to keep balls in play — 90 to 175 feet high in some developments — while nighttime lighting extends hours and draws human traffic. Those same design choices degrade avian perceptibility and alter behavior. Environmental reviews and wildlife agencies have repeatedly warned that bright lights can disorient birds, especially on overcast nights when migrants fly lower, and that large, low-contrast vertical barriers in open airspace invite collision or entanglement. Colorado Parks and Wildlife summarized the concern plainly: birds and bats could be injured or killed by tall nets and bright lights, listing waterfowl, eagles, bats, and migratory species among those at risk.

Independent local environmental analyses echo the mechanism. A San Diego port report concluded facility lighting could attract birds toward the structure, increasing the chance they contact the nets and become trapped, and relayed state wildlife warnings about potential direct mortality. These findings do not require a leap of faith; they align with decades of literature on light pollution, migratory behavior, and the visibility limits of polymer mesh against dark or backlit skies. The Holtsville rescues did not surprise field biologists; they tracked what the pre-construction memos predicted.

Topgolf’s position: aviary-grade mesh and rare incidents

Topgolf’s public posture emphasizes prevention and response rather than denial of possibility. Company representatives have argued the barrier mesh is the same type used in zoo aviaries — with small apertures designed to prevent passage — and that the firm maintains standard operating procedures to free any birds that become caught. In the Holtsville osprey case, Topgolf said staff observed the bird moving within the mesh, paused play, closed early, and later confirmed the bird left on its own, after coordination with local authorities and DEC. In separate local coverage, officials and the company framed bird incidents at other locations as extremely rare.

Those points deserve a clear-eyed read. Aviary netting comparisons are not dispositive because zoos control interior habitat, species mix, and lighting to minimize flight-speed impacts, while open-air ranges sit in dynamic flyways; the same fiber can perform very differently under those conditions. A documented escape does not erase the stress, injury risk, or resource burden created by a 100-foot-high entanglement that necessitates fire and wildlife response. Still, Topgolf’s willingness to halt operations and coordinate with agencies is material — it mitigates harm once an event occurs and should be standard practice systemwide.

Foreseeability and the compliance landscape

From a risk-management perspective, foreseeability is the fulcrum. Multiple jurisdictions flagged entanglement and collision hazards during project scoping, long before any lawsuit — including warnings that overcast conditions drive lower-altitude flights and that bright light can attract birds toward the structure. Some project approvals have specified monitoring and adaptive management, including daily net-collision surveys by trained personnel for defined periods, recognizing that post-opening field data is necessary to validate or revise risk assumptions. Where such measures exist, they create an evidentiary path to quantify events; where they don’t, both proponents and critics argue from anecdotes.

That posture has real implications. If an operator proceeds after receiving agency warnings, the bar for demonstrating due care rises: visibility enhancements, lighting controls, seasonal curtailments during peak migration, formal rescue protocols, and incident reporting are no longer nice-to-haves; they are prudent baselines. Conversely, for plaintiffs, the existence of warnings strengthens arguments that harm was foreseeable, but courts will still ask for proof of injury and causation, not just plausibility. The Holtsville record aids foreseeability; it does not, yet, prove scale.

What would settle the debate: data, design, and disclosure

The dispute is ultimately empirical. Three steps would move it from allegation and counter-claim to resolution. First, implement standardized, third-party monitoring at representative venues across seasons: camera traps, dawn carcass searches with scavenger-removal adjustments, and radar or acoustic monitoring on heavy migration nights. Tie every entanglement to an incident log and, where feasible, veterinary outcomes. Second, test engineering controls: increase net salience with UV-reflective strands visible to birds, reduce lighting spectra and intensity during peak movement, and evaluate structural gaps or perch deterrents that change approach vectors. Third, publish the results. If incidents are truly rare, robust monitoring will show it; if not, operators and agencies will have the evidence to mandate retrofits.

Practical guidance for operators and communities

While the research matures, best practice is not mysterious. Limit non-essential nighttime lighting and shift spectra away from wavelengths known to attract migrants; schedule dimming or partial curtailment on high-risk nights forecast by migration models. Add visual markers or UV patterns to increase net detectability in low-angle light. Train staff and maintain equipment for safe, rapid high-angle rescues, and pre-plan with wildlife agencies so roles and permissions are clear before a bird is hanging at 100 feet. Finally, report every incident — including “flew away” outcomes — to a central registry. The lesson of Holtsville is not simply that rescues can end well; it’s that unmanaged visibility and light create preventable emergencies.

Bottom line

The core claim — tall Topgolf-style nets can entangle birds — is supported by on-the-ground incidents and by pre-existing agency and environmental warnings. The counter-case, that the netting is aviary-grade and incidents are rare, may be true in aggregate but is not yet proven at scale by transparent data. Until systematic monitoring exists, the prudent course is to treat entanglement as a foreseeable risk, implement proven mitigations, and measure the results rigorously. That is how recreation infrastructure coexists with flyways — not by denying physics, but by designing around it.