These animals are getting smarter about how to take advantage of us, and it is making visits way more complicated.

Watching wild monkeys used to be one of those travel moments you could tell stories about later. You would get a few photos, maybe see a playful youngster, and go home with a fun memory. In recent years though, the story has started to shift. The monkeys are adapting, and in many places, they are now several steps ahead of the visitors.
A lot of it comes down to how tourists interact with them. Feeding, careless photo ops, and poor habits around food and bags are all accelerating how quickly monkeys pick up new tricks. Once they learn a behavior works, it spreads fast through the troop. Now, in countries across Asia and beyond, visitors are discovering the experience is no longer about watching the monkeys. It is about staying one step ahead of them. Here is what is happening.
1. Monkeys are pretending to be injured, and tourists are falling for it.

You might be walking through a temple courtyard, when you notice a monkey limping along the path. Maybe it is dragging a leg or looking pitiful and hunched. The reaction is almost automatic. People stop, reach for food or treats, and try to help. Meanwhile, a few feet away, other monkeys take the opportunity to grab from unattended bags or pull snacks out of stroller baskets.
Researchers tracking macaque behavior in parts of northern India and Bali have documented this exact sequence, according to The Bali Sun. It is not random, it is learned. When one monkey starts faking an injury, others soon copy the act. Tourists reinforce it every time they respond. The end result is a performance that distracts the humans long enough for the real theft to happen. By the time anyone notices, their snacks or personal items have disappeared.
2. Stealing valuables for ransom has become a learned strategy.

The scene plays out fast. A monkey grabs a pair of sunglasses or a phone, scampers to a ledge or rooftop, and holds the item just out of reach. The tourist, caught off guard, quickly looks around for help. Locals will often suggest offering food in exchange. The monkey waits. Once something edible is tossed, the item is usually returned, although sometimes in less than perfect condition.
At places like Uluwatu Temple in Bali, this has evolved into a regular occurrence, as reported by Nature.com. Older monkeys are known to teach younger ones which items get the best reaction. Phones, glasses, and cameras are common targets, because they prompt an immediate human response. Researchers who have studied these interactions have even tracked which monkeys are most skilled at it. What began as simple theft has shifted into a deliberate, taught behavior that now affects tourists daily.
3. Many monkeys have stopped waiting and are going straight for what they want.

In earlier years, monkeys near tourist spots might wait at the edges of a market or temple for food to be offered. That is not what happens now in many locations. In places like Lopburi and several tourist markets in Thailand, monkeys often approach directly, as stated by The Guardian. If you are carrying visible food, they will grab for it, sometimes pulling at bags or clothes to get what they want.
Visitors, hoping to avoid a scene, often give in quickly. Unfortunately, this teaches the monkeys that aggression works. The more success they have, the more common the behavior becomes throughout the troop. What was once a casual wildlife sighting now frequently turns into a tense interaction, with increasing risks of scratches or bites. Managing these encounters is now a serious focus for many tourist sites that never had these problems in the past.
4. Some monkeys have figured out how to open bags and search for food.

Visitors who think their belongings are safe inside a zipped backpack are often surprised. In several popular spots, including Gibraltar and hill stations in India, monkeys have been observed opening zippers, unfastening buckles, and pulling items out of bags, according to India Today. This is not random pawing. Many of these monkeys clearly watch how tourists handle bags, then mimic the same motions when no one is looking.
Once a monkey has seen food or a brightly colored package go into a bag, it will wait for an opportunity. Tourists who set bags down or wear them loosely are often the first targets. Researchers studying this behavior have seen individual monkeys specialize in this skill, with younger members quickly copying them. It turns a simple oversight, like leaving a bag unattended, into an open invitation for theft.
5. Food stall raids are becoming coordinated team efforts.

Tourists often enjoy visiting open air markets and food stalls, unaware that some of the local monkey troops have turned raiding these areas into an organized event. In Thai beach markets and temple complexes in India, groups of monkeys have been seen working together to distract vendors and grab food.
One or two individuals will approach from the front, drawing attention. Meanwhile, others slip in from the sides or rear to snatch fruit, drinks, or packaged goods. Vendors, who used to deal with the occasional solo thief, now face entire coordinated groups. The pattern spreads quickly within troops, with younger monkeys learning the roles from watching older ones. For tourists caught in the middle of a raid, it often feels chaotic and far more strategic than they ever imagined.
6. Strollers and baby gear are now frequent targets.

Traveling families often assume that keeping snacks and drinks in a stroller is a safe choice. In locations such as Lopburi and several temple areas in Bali, this is no longer the case. Monkeys have learned that strollers often contain easy food sources. They will go through diaper bags, grab sippy cups, or pull snack containers from stroller baskets.
Parents who are focused on their children may not notice a monkey approaching until it is already helping itself. In some cases, monkeys have even been seen unfastening stroller straps or climbing directly into the seat area. Once they associate strollers with an easy reward, they begin seeking them out. For families, what began as a fun sightseeing experience can turn stressful very quickly.
7. Balconies and hotel rooms are no longer off limits.

Visitors who leave doors or windows open in resorts near monkey habitats often find that their rooms are not as private as they thought. In places such as Sri Lanka, Bali, and parts of India, monkeys are increasingly climbing onto balconies and entering guest rooms. They are drawn by the sight or smell of food but will often grab anything portable.
Minibar items, fruit trays, toiletries, even clothing can end up stolen or damaged. Some monkeys have learned to recognize doorknobs and sliding doors, watching for opportunities when guests leave things slightly ajar. Hotels that once had occasional monkey issues are now dealing with frequent intrusions, prompting them to install more secure window locks and post warnings to guests. It is a constant balance between giving tourists the open air experience they expect and keeping wildlife out.
8. Tourists trying to take selfies are getting too close and getting injured.

Social media has fueled a wave of monkey selfies, with tourists eager to pose next to wild animals. What often starts as a lighthearted moment can shift fast. In locations such as the Sacred Monkey Forest in Bali and temple complexes in Thailand, there has been a noticeable increase in scratches and bites during these encounters.
Monkeys are not always comfortable with a camera or phone being held inches from their face. They may grab for the device or lash out if they feel cornered. The problem is that many visitors are encouraged by guides or local vendors to get very close, with little understanding of the risk. When a monkey reacts aggressively, it catches the tourist completely off guard. The result is an injury and, in some cases, serious medical follow up due to disease concerns.
9. Feeding rituals are causing unexpected health and behavior problems.

In certain temples, both locals and tourists participate in ritual feedings of monkeys, often offering processed foods and sugary snacks. Over time, this has led to significant health problems in some troops. Monkeys develop tooth decay, obesity, and nutritional deficiencies. More concerning is how this alters their behavior.
Monkeys that expect daily feeding can become highly aggressive when food is not provided on schedule. They may harass visitors, chase vendors, or steal from local shops. In some temple areas in India and Bali, conflicts now spike during festival seasons when crowds and feeding are heaviest. Conservationists working with temple authorities are trying to manage this dependency, but changing long standing traditions is a slow process. Meanwhile, the monkeys continue adapting in ways that make peaceful coexistence harder.
10. Some monkeys are now following tourists across multiple locations.

In urban tourist hubs such as Kathmandu and Jaipur, monkeys have begun shadowing individual tourists between markets, temples, and hotels. If a monkey spots a vulnerable food item or unsecured bag, it may follow the person through crowded streets, waiting for an opportunity to grab what it wants.
This behavior shows just how closely these animals are watching us and learning from patterns of human movement. Tourists are often unaware they are being followed until a theft attempt happens. For city managers and conservation groups, this level of adaptation signals that monkey populations are not only thriving in human spaces but also learning to navigate them with increasing precision. Managing these interactions is becoming a more complex challenge every year.