Present in airports, ports, and border crossings worldwide, customs dogs play an often invisible but decisive role in fighting illegal trafficking — from narcotics smuggling to protected species.
A role close to detection, with its own specifics
As mentioned in our article on detection dogs, the customs dog relies on rigorous scent training. Its particularity: it must often work in extremely varied environments (luggage, vehicles, containers, postal parcels), with a rapid ability to adapt to changing contexts.
The customs specialties
- Narcotics detection: the most widespread specialty
- Tobacco and commercial smuggling detection
- Protected species detection (CITES): ivory, scales, protected plants subject to international trafficking
- Cash detection: some dogs are trained to detect large sums of hidden cash, often linked to money laundering
The preferred breeds
Labrador and Springer Spaniel largely dominate this sector, for their build suited to searches in confined spaces and their stable work motivation through play.
A career at a sustained pace
Unlike other professional canine specialties, the customs dog often carries out numerous daily searches in noisy, changing environments (airports, cargo zones) — a workload that requires rigorous management of fatigue and rest periods to maintain olfactory reliability over time.