Sniffing Out Invasives: An Update on Snail Detection Dogs in Galapagos

July 1, 2015

By Rebecca Ross, Executive Director of Dogs for Conservation

Darwin identifies a GALSRecently, one of our trainers headed back to the Galapagos Islands to check in on our newly established conservation dog detection teams. In December 2014, Dogs for Conservation brought two dogs and a team of trainers to build local capacity to address the invasive Giant African Land Snail (GALS) problem on Santa Cruz (thanks to a generous grant from Galapagos Conservancy). The goal was to train staff from the Galapagos Biosecurity Agency (ABG), already working to combat invasive species, to handle specially-trained detection dogs that could assist in locating and eradicating the GALS.

Dogs for Conservation sent four trainers for one month of intensive daily training sessions with the new dog handlers and to acclimate the dogs, Darwin and Neville, to their new home in the Islands. Handling working dogs is not intuitive and does not come naturally for most people. Our new local team has been keen and motivated from the beginning, but a lot of training was needed to get them ready to become full-time canine handlers.

A training session with DarwinIn December 2014, we covered basic canine behavior, body language, leash handling, clicker training, daily care, proper nutrition, and many other aspects related to training and handling detection dogs. This was information overload, and although our December trip went very well, we certainly did not expect an overnight success story — we knew it would take time and experience to turn our new team members into highly capable dog handlers.

Since December, we have received regular updates from the Galapagos team members via email and video sharing, and have assisted remotely with questions or concerns that have arisen. We recently sent Texas-based trainer Tiffanie Turner back to Galapagos to check on the progress of both the dogs and their human counterparts. We fully expected there would be plenty for Tiffanie to do upon her arrival!

Tiffanie reported that Darwin and Neville have acclimated well to their new home and to their handlers. As with any big move there were some unexpected bumps in the road, such as one of the dogs having a chronic allergy to a plant found in Galapagos. Fortunately, the dogs are in the great care of the veterinarians at the ABG and their health is monitored very closely at all times.

Training with NevilleBoth the dogs and their humans needed some “tune-ups” in the training department, which is Tiffanie’s forte. She put them through their paces with lots of training scenarios and real-world field trips to help refresh their memories and keep them motivated. The key to our training philosophy (both dogs and humans!) is to reward, reward, reward — so the dogs got their toys every time they did the correct behavior (find a snail), and the humans were rewarded with lots of verbal praise and the occasional piece of candy!

There are many other potential uses for detection dogs to assist conservation efforts in Galapagos. Our hope is that, with continued support from Dogs for Conservation and Galapagos Conservancy, our newly formed canine teams can continue their work on GALS eradication as well as be prepared for new projects that may come along that require the support of these special dogs and their human teammates.

The Galapagos dog handling team


Rebecca Ross photoRebecca Ross is the Executive Director of the nonprofit Dogs for Conservation and works full time as a Wildlife Ecologist and Detection Dog Trainer and Handler.

All photos © Dogs for Conservation.



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  1. Pingback: Snail-Sniffing Dogs Doing Well in Galápagos | Galápagos Digital

  2. so how many snails per day per week can each dog identify for eradication? How much better are they humans
    with good eye sight?

    • Sho, the snails are often located just beneath the soil making them extremely difficult to identify by sight alone. That’s why the dogs are so important: they can detect snails by scent, an ability humans don’t possess. This project is too new to quantify the exact numbers you’re asking for, but future updates may be informative in this regard. Thanks for your question.

  3. I would like to congratulate everyone especially Rebecca Ross, for such an interesting job, not just any but a complicated (the understanding of a dog’s behavior and linking it to what it has to do, while not abusing or undermining its rights) one, but with much fun because dogs are best friends ever. I hope these snails are not causing much damage to the environment. Thanks Max

  4. Pingback: Behind the Scenes: Finding Invasive Snails in Galapagos | Galapagos Conservancy

  5. Pingback: Snail-Sniffing Dogs Doing Well in Galápagos | Galapagos Tourism Facts

  6. Pingback: En Galápagos exitosa labor de perros olfateadores de caracoles invasores | Galapagos Tourism Facts

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