A portable scent detection system for moving air from a search area to an animals nose that can include a hand-held pickup for collecting air from a target area, an air moving unit containing at least one fan, a return hose coupled between the pickup and the air moving unit, and a scent presentation device worn on the animals head with a one or more presentation ports near the animals nose. The preferred animal is a dog however, any animal which can be trained to indicate detection of a target scent can be used. The air moving unit can be double or single. A single unit can contain one fan, while a double unit can contain a second fan. More fans can be added in series or parallel as needed to provide adequate airflow. The pickup device can also optionally contain a fan. The fans can be battery powered using fixed or rechargeable batteries. The battery or batteries can be external or internal to the unit. The air moving unit can be contained in a waist or backpack for ease in use. The scent pickup can also optionally contain a filter to filter out dust or unwanted particles. A system of hoses normally can be run between the pickup device and the air moving unit and between the air moving unit and the scent presentation device. The air moving unit can optionally be located in a widened section of the hoses or hoses.Linvention porte sur un système de détection dodeur portable qui permet de déplacer de lair dune zone de recherche jusquaux naseaux dun animal et qui peut comprendre un dispositif de capture portatif pour capter de lair dune zone cible, une unité de déplacement dair contenant au moins un ventilateur, un tuyau souple de retour couplé entre le dispositif de capture et lunité de déplacement dair, et un dispositif de présentation dodeur porté sur la tête de lanimal avec un ou plusieurs orifices de présentation près des naseaux de lanimal. Lanimal préféré est un chien cependant, tout animal qui peut être entraîné pour indiquer la détection dune odeur cible peut