By Kenneth Marcos 
Early one morning in Valenzuela City, a quiet household in Barangay Marulas was startled by an unexpected visitor. A small snake had found its way inside a home, causing alarm among residents worried about their safety and the animal’s fate. What could have ended in harm quickly turned into a lesson on wildlife protection and responsible coexistence.
The Department of Environment and Natural Resources–Metropolitan Environmental Office (DENR–MEO) North immediately carried out a wildlife retrieval operation after receiving a report about the discovery of a Luzon Triangle-Spotted Snake, also known as Reinhardt’s Lined Snake. The snake, identified scientifically as Cyclocorus lineatus lineatus, was almost injured after a household pet cat tried to catch it.
DENR enforcement officers responded swiftly to secure the animal and prevent further harm. After careful handling, authorities confirmed that the snake was alive, safe, and not seriously injured.
The Luzon Triangle-Spotted Snake is an endemic species found only in Luzon. It is non-venomous and poses no danger to humans. The species is nocturnal and ground-dwelling, often active at night while hiding during the day. Its brownish color and distinct markings allow it to blend well with soil, leaves, and tree branches, making it difficult to spot.
The snake gets its common name from the triangular patterns found along the underside of its body. It mainly feeds on small animals such as lizards. Because of this diet, the species may sometimes wander into residential areas where such prey is present, especially in communities near open spaces, vegetation, or drainage systems.
After a thorough assessment, DENR–MEO North determined that the snake was fit for release. It was safely relocated to La Mesa Ecopark, a protected area that offers a suitable habitat, stable ecosystem, and enough food sources for the species to survive in the wild.
According to the International Union for Conservation of Nature (IUCN) Red List, Cyclocorus lineatus lineatus is currently classified as “Least Concern.” This means the species is not considered threatened with extinction at present. However, DENR officials stressed that this status does not remove the need for protection. Habitat loss, urban expansion, and harmful human behavior continue to threaten wildlife, even those not yet considered endangered.
The DENR also reminded the public to practice responsible pet ownership. Uncontrolled pets, especially cats and dogs, can unintentionally harm wildlife and disrupt local biodiversity. Residents were advised to keep pets indoors or supervised, particularly in areas close to forests, parks, and open land.
Authorities further emphasized that capturing, harming, or trading wildlife is illegal under Republic Act No. 9147, or the Wildlife Resources Conservation and Protection Act. Violators may face fines and imprisonment. The law exists to protect both people and animals, and to ensure a balanced relationship between communities and nature.
DENR encouraged residents who encounter wild animals in their homes or neighborhoods to remain calm and avoid taking matters into their own hands. Instead, they should immediately contact local authorities or the nearest DENR office for proper assistance.
The incident in Valenzuela City serves as a reminder that even in urban areas, wildlife still shares space with people. Protecting them is not only a legal duty but also a shared responsibility for a safer and more sustainable future.
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