The pursuit of solitary big cats is not a modern invention, nor a regional novelty. It is a specialised discipline that has emerged repeatedly wherever large, elusive predators occupied vast country and where men were prepared to accept long periods of uncertainty in exchange for a moment of consequence. The practitioners who mattered were not generalists. Over time, their lives narrowed toward one focus: understanding, locating, and engaging big cats on their own ground. Sasha Siemel represents one of the clearest early examples. Operating in the Mato Grosso/Pantanal region, Siemel became known for jaguar hunting in dense country where visibility was limited and control was minimal. His reputation rests less on storytelling than on the underlying principles he embodied: reading sign, accepting uncertainty, and acknowledging that the cat, not the hunter, sets the terms of engagement. Tony de Almeida belongs to that same South American jaguar lineage, but from a different angle: not as a mythic figure, but as a documented professional guide for jaguar in the Mato Grosso and Bolivia. His book, Jaguar Hunting in the Mato Grosso & Bolivia (With Notes on Other Game), is consistently described by publishers and specialist booksellers as a definitive modern jaguar-hunting account, often explicitly framed as the most substantial jaguar-hunting book “since Siemel,” and presented as the work of a highly successful jaguar guide operating in remote jungle systems. What matters for legacy is not the era-specific details, but the constants: long distance, administrative friction, low encounter probability, and the necessity of operating within the animal’s timing rather than a man’s schedule. Del Cameron represents the parallel lineage in the hound world: a practitioner whose emphasis was not on the event of the kill, but on decades of breeding, testing, and selection to produce functional hounds capable of operating under pressure in hard country. He is widely profiled as a long-time houndsman who bred and trained his own strain of hounds specifically for lion and bear work over many decades. His relevance here is not geography; it is the principle that hound capability is not assumed, it is built, proven, and maintained over time.