Delhi's British government paid for dead cobras to cut snake numbers, but the bo... — Episode 1

Welcome to the very first episode of Unintended Consequences! Today is May fourth, twenty twenty-six. This is a daily narrative podcast profiling inventions, policies, actions, or systems designed with genuinely good intentions. These cases often produced surprising, unintended consequences. The world is full of cautionary tales about complex systems and well-meaning interventions. Most of them get told as cheap stories that mock how foolish the decision-makers were. This show treats the original decision-makers with empathy. It recognizes they were rational people working with the information they had at the time. From these stories we extract general principles that listeners can apply to their own decisions. Every episode follows the same six-beat arc. We examine the good intention, the implementation, the unintended consequences, the aftermath, and close with a lesson. Today we begin with a story from colonial Delhi. Delhi's British government paid for dead cobras to cut snake numbers, but the bounty led to breeding, and scrapping it released more snakes into the city. In the narrow lanes and crowded markets of colonial Delhi, cobras regularly entered homes and shops. British administrators set up payment stations and began handing out cash for every dead snake turned in. The goal was straightforward. They wanted to reduce a persistent hazard that caused injuries and deaths. By enlisting residents in the work of removal, they hoped to solve the problem without large new government operations. What followed was the opposite of the intended result. The policy created conditions for more cobras rather than fewer once the payments ended. The bounty originated with British colonial officials responsible for day-to-day administration in Delhi. Delhi was one of the empire’s most important centers in India. They faced a practical problem of venomous snakes moving freely through residential and commercial areas. This created risks for both Indian residents and colonial personnel. Government resources for direct pest control were limited at the time. Attaching a cash reward to the delivery of dead cobras seemed efficient. It would draw on local knowledge and labor without building a large official workforce. Similar bounty arrangements for wolves, rats, and other animals had been used in other parts of the British Empire. They had also been used in European cities. This gave administrators reason to view the approach as tested and adaptable. These officials operated with the information available to them. They saw the measure as a market-aligned solution. It would align individual effort with the public goal of fewer dangerous snakes. Their decision reflected the common administrative practice of the time. They used financial incentives to address visible urban problems. This was rather than relying solely on regulation or direct government action. The program operated through designated collection points in Delhi. Residents could bring dead cobras for verification and receive immediate payment. In the early period after launch, substantial numbers of snakes were submitted. Some administrators noted fewer reports of snakes in public spaces. Proponents within the colonial offices described the system as successful. It mobilized citizens and delivered measurable results. This happened at relatively low administrative cost. The effort aligned with wider colonial sanitation initiatives. These initiatives aimed at improving living conditions in the capital. The policy carried the risk that people might find ways to exploit the payments. Yet contemporary accounts do not record strong internal warnings before rollout. The system ran for a period long enough for patterns of submission to become established. The volume of claims was initially treated as evidence that the snake population was declining. Early results showed high submission volumes. Officials initially interpreted this as proof the snake population was declining. Residents quickly recognized that hunting wild cobras was less reliable than raising them in controlled conditions. Some individuals and families began keeping breeding pairs in pits or enclosures. They fed the young until the snakes reached a size suitable for presentation at the payment stations. This shift turned the bounty into a small-scale business. It was for those with the space and basic knowledge to maintain the animals. What started as removal of wild snakes became a small-scale commercial activity. Those with space and basic knowledge could participate. As more people adopted the practice, the number of snakes submitted rose sharply. The increase came from captive breeding rather than removal of the existing wild population. Submission numbers rose sharply because of this breeding. The increase came from farmed snakes rather than reduced wild populations. When colonial officials noticed the sustained high volume of claims, they began to suspect the source. They ended the payments as a result. Officials suspected the source of the high volume. Once they did, they ended the payments. Breeders then faced the choice of continuing to feed and house the snakes without compensation. Or they could release them. Many released the animals into the streets and surrounding areas. They did this to avoid ongoing costs. The released cobras added directly to the wild population. They had been raised in numbers that exceeded natural reproduction rates. The overall snake presence in Delhi increased beyond the level that existed before the bounty began. The core causal mechanism was that the incentive rewarded only the final step of killing. It placed no limit on how many snakes could be produced beforehand. This allowed rational responses that expanded supply rather than reduced it. A second-order effect was greater exposure for residents. More snakes moved through the same urban spaces where people lived and worked. Third-order consequences included the need for the administration to address a larger problem. They had to use other, potentially more expensive methods after the original approach collapsed. Accounts from the period describe households that had redirected time and resources into snake keeping. These households only contributed to the very hazard the program had sought to control once the reward disappeared. The colonial government discontinued the bounty once the scale of breeding became clear. No immediate replacement program on the same model was introduced. Snake control efforts likely continued through direct capture or environmental measures. These measures included clearing potential hiding places. Delhi’s snake management challenges remained part of the city’s ongoing urban conditions under colonial rule. In later decades the story circulated in administrative and economic discussions. It served as an example of incentive failure. There was no documented follow-up intervention that itself produced new problems. The case is now preserved primarily as a reference point rather than an active policy. After the bounty ended, the problem of snakes persisted. In fact, it may have grown. The administration had to address the larger population with other methods. These were potentially more expensive. The story became a cautionary tale in discussions about policy design. Incentive programs can be undermined when they reward an outcome without controlling the conditions that produce it. Decision makers benefit from examining how people might adapt their behavior to maximize rewards. This adaptation can include increasing the very thing the policy seeks to reduce. Simple interventions in systems that involve human choice and biological reproduction often generate responses that travel beyond the first intended effect. When creating rewards or penalties, it is useful to consider the full chain of possible adaptations. This is rather than assuming the desired action will occur in isolation. The core failure here was rewarding the killing of snakes without limiting how many could be produced. Second order effects included expanded snake numbers. There was also the need for more costly control methods later. The case offers lessons for contemporary policies that use payments to influence behavior. These areas include conservation or performance targets. Consider how a modern conservation payment might work. If authorities paid people to remove an invasive species from an area, what might happen if participants began breeding that species to collect the reward. Or in performance targets, if an organization rewards teams for hitting reduction goals, how might that change the underlying production of the thing being measured. What would you watch for in such a system to prevent the kind of supply expansion we saw in Delhi. That wraps up our very first episode of Unintended Consequences! If you enjoyed this, please subscribe on Apple Podcasts, Spotify, or wherever you listen — and a rating or review really helps new listeners find us. I'm Patrick in Vancouver. Thanks for joining me on this journey, and I'll see you tomorrow for episode two. This podcast is curated by Patrick but generated using AI voice synthesis of my voice. The primary reason to do this is I unfortunately don't have the time to be consistent with generating all the content and wanted to focus on creating consistent and regular episodes for all the themes that I enjoy and I hope others do as well.