Although birds make the city feel more “nature-like,” some species can bring the opposite effect when their numbers and impact are overlooked.
Authorities such as the National Parks Board (NParks) and the National Environment Agency (NEA) classify them as pest birds because they impact both residential and commercial businesses negatively.
Let’s take a closer look at these pest birds and the risks they bring, and see how we can manage them humanely while protecting our health, homes, and livelihoods.
Why Pest Birds Are a Public Concern
Have you ever tried scrubbing bird droppings off your car? Stubborn, isn’t it? What you might not realise is that they can also harm people, properties, and the environment as well. This makes expert bird management all the more important.
How Pest Birds Can Harm People
Pest birds carry a range of pathogens. When their droppings dry, tiny particles can become airborne. Inhaling them may lead to respiratory problems, even pneumonia.
They are also known carriers of the bird flu virus, which can cause avian influenza outbreaks in poultry farms. Vulnerable groups such as children, the elderly, and those with weaker immune systems face higher risks from such diseases.
How Pest Birds Harm Properties
Removing stubborn stains is just a piece of the problem. Bird droppings are also acidic and corrosive, and have been known to damage cars, building facades, and other surfaces.
They also make walkways slippery and accident-prone. In open-air dining areas, droppings create hygiene issues that can quickly drive customers away.
Lastly, when pest birds nest on vents and air-conditioning units, they clog systems and raise your maintenance and utility costs.
How Pest Birds Harm the Environment
Last but just as important, pest birds disturb biodiversity and throw it out of balance. They compete with native species for food and nesting space, often forcing them out.
Left unmanaged, they disrupt ecosystems by displacing pollinators and seed dispersers. Over time, this imbalance puts local biodiversity at risk.
The Four Pest Birds Found in Singapore
Before we go further, it’s important to note that when we talk about “pest birds,” we mean species officially classified by NParks. They are considered pests because they’re invasive, and their overpopulation poses a threat to the ecology of our environment.
Still, they remain part of our urban wildlife and should always be managed expertly. For more details, we encourage you to explore NParks’ resources.
With that in mind, let’s take a closer look at the four pest bird species found in Singapore.
Rock Pigeon (Columba livia)
Rock pigeons are often seen in large flocks across Singapore, making them perhaps the pest bird you’re most familiar with. Originally domesticated, they have since become feral and are highly adapted to urban cities.
Pigeons are highly social and often gather on rooftops, ledges, and public spaces. They’re opportunistic feeders, living on scraps and deliberate feeding by people.
Once a roosting site is established, pigeons are difficult to remove because they return to the same spot again and again. This is where their corrosive droppings build up, creating accident-prone walkways and posing health hazards for vulnerable individuals.
Crow (Corvus spp.)
Crows are birds that thrive in urban settings due to their adaptability and problem-solving abilities. These birds are highly intelligent, observant, and resourceful. They scavenge from refuse bins, hawker centres, and food courts, often working in groups.
They are also territorial and known to swoop at humans during breeding season if they feel threatened. Their adaptability and aggression make them hard to control.
Crows are noisy, messy, and bold. They disturb smaller wildlife and create sanitation problems when they gather in large roosts near homes or businesses.
Javan and Common Mynahs
Lastly, Mynahs are another group considered as pest birds because of their invasive nature and impact on local biodiversity. Two species prevalent in Singapore are the Javan mynah and the common mynah.
Originally introduced from the islands of Java and Bali, Indonesia, Javan Mynahs (Acridotheres javanicus) are now widespread and listed as an invasive species. They are also opportunistic feeders, scavenging leftovers in outdoor dining areas, hawker centres, and rubbish bins. They nest in tree cavities, on rooftops, and in signage crevices.
Their loud, chattering calls make them a noise nuisance, especially in large roosts. Javan mynahs compete with native species for food and nesting spaces, even outcompeting their fellow species, the common mynahs.
Common mynahs (Acridotheres tristis) thrive in both urban and suburban settings, but competition with the Javan mynah has caused their numbers to decline. In fact, because of this drop, they’re close to being removed from the list of birds considered pests. Ironically, the “common” mynah is becoming less common.
The common mynah builds nests in sheltered nooks of buildings, sometimes blocking gutters or drainage pipes with debris. Like the Javan mynah, it feeds on scraps and insects and forages near humans without fear.
What Can Be Done to Manage Pest Birds?
Pest birds are common, but they can be managed. It takes effort from residents, businesses, professionals, and the government agencies working together.
What Residents Can Do
The simplest step is to stop feeding them. Feeding pest birds like pigeons is illegal under the Wildlife Act, with fines of up to S$10,000 for offenders.
NParks and NEA also stress that feeding pest birds only makes the problem worse, leading to dirtier estates, soiled clothes, and more frequent encounters.
What Property and Business Owners Can Do
Property and business owners have a bigger responsibility. Birds can damage structures, hurt your brand image, and compromise trust and safety. That’s why deterrent systems are essential investments.
Restaurants with alfresco dining, factories with loading bays, and offices with open ledges all benefit from proactive bird-proofing. Professional bird control experts can assess the situation and recommend effective deterrent systems, and that’s where our team at PestBusters comes in with our new service lineup.
Got Bird Concerns? Choose the Right Integrated Pest Bird Management
Pest bird control works best as a team effort. It starts with a site evaluation, where our experts study bird behaviour, map activity, and set measurable goals for success. Our team of professionals work closely with you to design the best solutions that fit your property’s unique needs, all while staying compliant with NParks and NEA requirements.
When direct action is needed, we use humane methods such as targeted trapping, baiting, and safe bio-waste handling to reduce health risks. Every project includes a performance warranty, giving you peace of mind that your space will stay protected.
Dealing with pest birds? We’ve got the solution. Reach out to us today for a tailored plan.