At the Lewa Wildlife Conservancy, a round the clock security setup leans on field rangers, radio operators, and the Earth Ranger monitoring system to keep watch over populations of the critically endangered black rhino and the endangered Grevy's zebra.
That technology represents the newer end of the conservancy's toolkit. Standing alongside it is a far older ally, one that's been working alongside humans for roughly 14,000 years since first being domesticated: the dog.
At Lewa, that ancient partnership now does some of the heaviest lifting in the fight against poaching.
The canine unit's job centers on tracking. It draws on scenting abilities no amount of surveillance technology or human effort can match, especially once poachers have fled and tried to erase any trace of their movements.
Simon Kuyis, a dog handler at the conservancy, described how quickly teams move once a report comes in. That applies whether the tip originates inside the conservancy or from the surrounding community.
"Whenever we get a call, either in the community or in the conservancy, we deploy them very fast, because you know, whenever a crime is committed, people will try to hide their foot marks or the scent, but because dogs are very powerful animals, that's what they are trained to follow," said Kuyis, a dog handler at the conservancy.
Speed of deployment, in his framing, is what separates a trail that stays warm from one that goes cold. That edge comes down to something rangers and radio equipment simply can't replicate: a dog's ability to hold onto a scent across long stretches of rough terrain, even after visible evidence has vanished.
It's this trait that makes the canine unit a genuine complement to Lewa's wider security setup rather than an extra layer for show. Cameras and radios can flag a breach or pin down a location, but it's often the dogs that bridge the gap between spotting trouble and making an arrest.
"They have a very good, very strong nose, and whenever they detect it, they can follow up at the end of the attack. They have been helping us make sure we bring the crime rate to zero," Kuyis said.
That's a telling way to describe the unit's value. It's framed not as a vague deterrent but as something tied to a concrete drop in incidents. It suggests the conservancy sees this less as symbolic protection and more as a working part of its enforcement toolkit, judged by results.
The setup at Lewa also points to something playing out more broadly across conservancies in East Africa. Investment in digital monitoring tools has grown substantially, yet it hasn't replaced older, biology based tracking methods that still outperform technology in certain conditions.
Those conditions include thick terrain or cases where a scent is the only clue poachers leave behind. For a conservancy guarding species whose numbers remain fragile enough that even a single successful poaching incident can carry outsized consequences, pairing old school tracking skill with modern surveillance appears deliberate.
Together, they're built to close off as many gaps as possible. The aim is to narrow the paths through which illegal wildlife trade might otherwise slip through unnoticed.