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On The Island Of Boa Vista, In The Cape Verde Archipelago, Kelo, Karetta, And Zedda Track Suspects In The Dark, Follow Trails For Kilometers, And Help Adilson Reduce Almost 90% Of Poaching, Ensuring That Nests And Hatchlings Of Sea Turtles Reach The Sea Safely During The Nesting Season.
In Boa Vista, Cape Verde, sea turtles leaving the ocean to nest have gained an unusual protection: trained sniffer dogs to detect suspicious behavior in the dark and track poachers to their doorsteps.
The strategy was born to tackle a persistent problem on the island, where illegal hunting for meat still occurs even with stricter laws, and ended up becoming a nighttime patrol system that combines scent, discipline, and a constant presence on the beach.
A Canine Patrol That Became A Symbol On The Island
The trio that has become a reference in Boa Vista has distinct names and profiles. Kelo is a male Labrador, trained in Switzerland, six years old, described as the leader of the group.
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Karetta, a female mixed German shepherd, was born and raised in Boa Vista, is three years old, and stands out for her speed and focus.
Zedda, also from Boa Vista, is an eight-year-old mixed breed dog, known for her friendly temperament and her role in maintaining the team’s well-being.
The human command of the operation is led by Adilson, who works with colleagues from the Turtle Foundation.
To him, the dogs are not just tools: they have become part of the daily routine and a mission that repeats night after night during the nesting season.
Why Sea Turtles Become Targets When They Step On The Sand
The most dangerous moment for sea turtles begins when they leave the open ocean and advance along the beach to lay their eggs.
Along the coast of Boa Vista, the threat exists because there is still hunting for meat.
In difficult times, capturing turtles has been treated as a necessary food source for parts of the local community.
Over time, the practice has become associated more with a delicacy, and even with stricter rules, the money paid for the meat maintains the incentive.
The island’s history illustrates the size of the problem.
In 2007, Boa Vista recorded a record number: over 1,200 turtles were killed on the beaches.
After that, the numbers fell with conservation work, but the trend rose again in 2013, pressuring teams to seek new forms of protection.
What Humans Cannot Do Well In The Dark
The traditional patrol has clear limitations. Detecting suspicious behavior in the dark, noticing minimal signs in the sand, and tracking someone who has already fled are tasks in which humans lose time and precision. It was at this point that Adilson’s team relied on an obvious reinforcement: dogs.
The logic is simple and practical.
Dogs can distinguish people by smell and work with trails that, for humans, do not exist.
The team uses this advantage to transform a night patrol into a deterrent network: those who hunt know they can be found later, even if they escape the beach.
The Training That Keeps The Scent Ready For The Street
Traceability depends on regular training. The group conducts sessions to keep techniques sharp and ready for real use.
A direct example shows the level of sensitivity: a simple object, like a stone touched for a few seconds, can carry enough odor to start a search.
In this type of exercise, the procedure is repeated to reinforce behavior, focus, and terrain reading.
It’s not a spectacle, it’s readiness routine, because the final result needs to work when the beach is empty, dark, and the suspect has already gained distance.
From Footprints In The Sand To A Trail Of A Week
In Boa Vista, the team uses their sense of smell to turn minimal signs into concrete direction. Anything touched on the beach can serve as a starting point.
From there, Kelo, Karetta, and Zedda can track suspects for kilometers, and according to the operation itself, they follow a trail for up to a week, making it extremely difficult to outsmart the group.
When something suspicious is identified, the team looks for evidence and works with the police to follow the footprints and link the trail to the final destination.
The goal is clear: to get to the responsible party, not just to scare them momentarily.
The Night Operation In Boa Vista: Cars, Drones, And Thermal Vision
Patrols take place at night. In a mission described on the island, the team went out with three cars and seven people, plus three dogs and drones.
Upon arriving at the beach, each member assumes predetermined positions to create an overview of what is happening along the coast.
The darkness is good for sea turtles but complicates capturing suspects. To balance this, the operation uses thermal binoculars and a drone with night vision.
When something out of the ordinary arises, the dogs enter as a quick response, ready for tracking.
Why Cape Verde Depends On Hawksbill Turtles
Hawksbill turtles are treated as essential pieces of the local ecosystem.
In the Atlantic, they feed on hard-shelled prey, such as conchs and crabs, as well as sea sponges, described as their preferred food.
The large head and strong jaws evolved to open these prey, which helps explain the common name.
The empty shells left behind sink and become a source of calcium for other animals.
And there’s an even more surprising detail: the turtle’s shell itself works as a moving habitat, carrying up to 150,000 meiofauna individuals, tiny organisms less than a millimeter long.
Along the coastal strip, the presence of sea turtles also influences vegetation.
Without nests, the coast loses an important source of nutrients associated with the eggs and hatchlings that fail to reach the sea, affecting the balance of the environment over time.
Nests Today, Consequences In 25 Years
The impact of any disturbance is slow and, therefore, dangerous.
Female hawksbill turtles reach maturity only after 25 years, when they return to the beaches where they hatched decades earlier.
Each female lays an average of 400 eggs per season. This means that a problem now can lead to a visible population decline only a quarter of a century later.
This delay turns nighttime protection into something larger than “saving a season”.
The focus is to keep the reproductive base active so that future populations can exist, especially in a place that depends on a healthy presence of these sea turtles to sustain coastal dynamics.
The Result That Became An Argument: Almost 90% Less Poaching
Even when a night ends without seizing suspects, the operation considers the presence a victory.
The main effect is deterrence: the community knows what the dogs are capable of, and the perception of risk increases for those trying to hunt.
With the program implemented by Adilson and his colleagues, cases of poaching have decreased by almost 90% over four years, with a direct effect described by the team: hundreds of thousands of baby turtles saved over time, because more nests have made it through the season without human interference.
Support To Keep The Patrol Active Year After Year
Continuity depends on structure. The Planet Wild community funded a year of training materials, medical treatments, and food for the three dogs, aiming to keep the group at full capacity.
In addition, efforts were mobilized to fund Adilson’s salary for an entire year, allowing him to develop what he has built: a trio of search dogs that makes Boa Vista a safer place to nest and hatch.
In the end, what seems to be just a curious story of dogs on the beach transforms into a direct message: when scent becomes strategy, conservation shifts from mere vigilance to tracking, proof, and prevention.
Do you think the use of sniffer dogs to protect sea turtles should become standard on other threatened beaches, or are there risks and limits that need to be discussed?
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