Pangolin Road Deaths and Electric Fence Injuries in South Africa

While poaching dominates the public narrative around pangolin threats, two quieter killers claim pangolin lives across South Africa every year: vehicles on rural roads and electrified fences enclosing game farms, smallholdings, and private nature reserves. These threats are underreported, often underestimated by landowners, and in many cases preventable with modest interventions.

Two Underreported Threats to Ground Pangolins

The African Pangolin Working Group (APWG) and partners have documented dozens of road collision and electric fence injury cases among ground pangolins (Smutsia temminckii) in South Africa and neighbouring countries over the past decade. Because ground pangolins are nocturnal, solitary, and range over large territories, incidents often go unobserved for hours or days. Animals are found dead on road verges or discovered in distress beside fence lines, sometimes days after the injury occurred.

Both threats intersect with the pangolin's primary defensive behaviour: curling into a tight ball when threatened. This response, which evolved to defeat predators incapable of penetrating interlocked keratin scales, provides no protection against the crushing force of a vehicle wheel or the sustained current of a live electric wire. In both scenarios, the curling reflex that has kept pangolins alive for tens of millions of years works catastrophically against them.

Road Mortality: Slow Animals on Fast Roads

Ground pangolins are not built for speed. Their typical walking pace is a deliberate 0.5 to 1 kilometre per hour, and when crossing open ground — including road surfaces — they proceed at the same measured pace. At night, on unlit rural roads, a pangolin crossing the tarmac presents an extremely small visual target: a low, dark, slow-moving shape easily missed until a driver is directly upon it.

The pangolin's response to approaching headlights or engine noise is to freeze or to curl. Neither response creates a collision-avoiding outcome. A curled pangolin on a roadway becomes a smooth, dome-shaped obstacle that vehicles may ride over, rolling over the animal's body and causing catastrophic internal injuries, spinal damage, or skull fractures. Even animals that appear physically intact after a road strike may have suffered severe internal haemorrhaging.

High-Risk Road Corridors

Certain road sections have emerged repeatedly in road mortality records. The R36 in Limpopo, which passes through rangeland and conservancy areas north of Tzaneen, is one such corridor. Bush roads surrounding Tswalu Kalahari Reserve — one of the few areas with actively monitored ground pangolin populations — have seen repeated incidents. The N1 highway near Mokopane traverses an area with confirmed pangolin presence, and vehicle speeds on this national road make any crossing attempt extremely hazardous.

Secondary gravel roads on game farms and communal land are in some ways more dangerous than paved national roads: vehicles travel at moderate speeds but drivers are less alert than on main roads, and the roads run directly through habitat rather than bisecting it at designated crossing points.

Seasonal Patterns in Road Mortality

Road mortality cases cluster in the wet season months in southern Africa, roughly October through March. This pattern aligns with the peak in termite and ant activity that follows rains: pangolins range further and more actively when their insect prey is abundant and accessible. Greater movement means more road crossings and a higher probability of a fatal encounter. Wet season nights also tend to be overcast, reducing visibility for both drivers and for any ambient visual cues that might prompt an animal to alter its path.

Research conducted in partnership between the APWG and Endangered Wildlife Trust (EWT) has identified seasonal road mortality as a sufficiently significant threat to warrant seasonal road signage and advisory campaigns targeted at drivers in affected areas, particularly around conservancies with known pangolin populations.

Electric Fence Injuries: A Hazard of the Modern Landscape

Electric fences are ubiquitous across South African game farms, nature reserves, smallholdings, and even urban perimeter security installations. For most wildlife, an electric shock is a brief, deterrent-level experience: the animal contacts a wire, receives a shock, and moves away. Pangolins experience a fundamentally different outcome due to their scales and their defensive reflex.

How Pangolins Encounter Electric Fences

Ground pangolins foraging through their home range do not perceive electric fences as barriers in the way that larger mammals do. They typically attempt to walk under the lowest strand of a fence line, or to push through the gap between two strands. When a pangolin's snout or forelimbs contact a live wire while the animal is in mid-stride, the electric shock triggers the curling reflex instantly.

The result is that the animal curls tightly around the live wire rather than recoiling away from it. The sustained contact prolongs current delivery well beyond the brief shock experienced by other mammals. High-joule game fencing systems — designed to deter buffalo and elephant — can deliver enough sustained current to cause severe electrothermal injuries, cardiac arrhythmias, and in some cases death.

Injury Patterns in Electrocuted Pangolins

Veterinarians and wildlife carers who have treated electric fence pangolin casualties report characteristic injury patterns: burns to the skin at contact points between scales, particularly on the feet, legs, and sometimes the snout where first contact occurred. Claws are frequently damaged or lost. Deeper muscle damage — identified on examination and imaging — can compromise an animal's ability to dig, which is essential for foraging and for constructing daytime shelter burrows.

In severe cases, cardiomyopathy resulting from electrothermal injury becomes apparent in the days following rescue. Animals that appear relatively stable immediately post-incident can deteriorate rapidly as cardiac damage manifests. This makes early veterinary assessment — including ECG monitoring where available — an important component of intake evaluation for all electric fence pangolin casualties.

Treatment Protocols

First-response treatment for a suspected electrocution case begins with ensuring the animal is no longer in contact with the fence and that the fence has been switched off before any human approaches the wire. Cooling of burn sites with clean room-temperature water — not ice — is the immediate priority. Rehydration via oral fluids or, in more severe cases, subcutaneous or intravenous fluid therapy, addresses the circulatory effects of shock. Wound care for burned contact points follows standard principles of debridement, topical antimicrobial application, and bandaging where scale coverage permits.

Stress management is a critical overlay in all pangolin casualty care. Ground pangolins are highly stress-sensitive, and improper handling or a noisy, over-stimulating environment during recovery can cause secondary complications. Dark, quiet enclosures with minimal human contact are preferred during the acute phase.

Survival Rates and Outcomes

Survival rates for electric fence casualties vary substantially with the severity of the exposure and the speed of intervention. Animals found within hours of injury and presenting with localised burn wounds rather than systemic signs have reasonable prospects for recovery, though rehabilitation timelines of several months are common. Animals found after prolonged fence contact, or those showing cardiac or severe neurological signs on intake, face much poorer prognoses. APWG case records suggest that even successfully rehabilitated animals may require extended monitoring before safe release, as claw and muscle damage can impair foraging efficiency in ways that are not immediately obvious.

What Landowners Can Do

Game farm owners, smallholding proprietors, and private nature reserve managers in pangolin habitat can take practical steps to reduce the risk their fences pose to passing pangolins.

Fence audits focused on the lowest strand height are a starting point. Raising the lowest strand to at least 30 centimetres above ground level allows small and medium-sized pangolins to pass underneath without making contact with a live wire. Where security fencing must extend to ground level, a short section of non-electrified wire at the base — with the lowest two strands earthed rather than live — achieves security goals while providing a passage opportunity for ground-level wildlife.

Burying a section of fence bottom-wire underground is another approach used in some wildlife-friendly fence designs. An animal pushing under the fence line contacts wire that is not energised, and the energised strands are above the zone of fence-walking contact. This approach is more expensive to install but represents a robust long-term solution on properties with confirmed pangolin presence.

Reducing fence joule output in areas where pangolins are known to occur is also advisable. Many game fence energiser units are capable of variable output; lowering the joule rating during night hours — when pangolins are active — reduces injury severity for any contact that does occur without substantially compromising the fence's deterrent effect on larger species.