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Snake Encounters – Training Dogs to Avoid Venomous Snakes

As reptile enthusiasts know, snakes are difficult to find.  But dogs are very good at it, and as a consequence are bitten by venomous species more often than are their owners.  Spring is prime hiking time, and also when snakes are most likely to be encountered while basking, seeking mates, or searching for meals after the long winter’s fast.  The recent experience of one of our readers, whose Arizona property was frequented by Mojave Rattlesnakes, spurred me to look into the question of snake-dog interactions. 

“Snake School” for Dogs

The gentleman in question lost a favorite dog to a Mojave Rattlesnake bite.  He enrolled his 2 remaining dogs in a program offered by Partners Dog Training, a company which pioneered the concept of snake avoidance training for dogs.  In many cases, dogs that have been trained to avoid snakes (recognition is based on sight, sound and smell) also warn their owners of the presence of one – useful, as we usually miss them if not guided by a dog!  One of our reader’s dogs responded well, the other was less-enthusiastic but will take additional training soon.

North America’s Venomous Snakes

North America is home to 36 Rattlesnake species; the other venomous snakes native here include Coral Snakes, Copperheads and Water Moccasins.

Rattlesnakes

RattlesnakeRattlesnakes, while not always the most common species in any particular region, account for a disproportionately large number of bites.  A number of factors may explain this – large size, tendency to bask and hunt along trails that people use, adaptability to human presence and a frequent reluctance to retreat.

Rattlesnakes reach their greatest diversity in the American Southwest – 13 species occur in Arizona alone!  The large, feisty Western Diamondback and the Prairie Rattlesnake, both highly adaptable and with huge ranges, are those most involved in dog incidents.

Copperheadsdownload

Outside of the Southwest, Copperheads are most frequently encountered species (the Southern Copperhead is the nation’s most abundant venomous snake).  In the Northeast, the Northern Copperhead, Timber Rattlesnake and Eastern Massasauga (a small, rare rattler) are the only native venomous snakes.

Copperheads are rather shy; most bites occur when they are harassed.  “Harassment” (or foolishness!) took on new meaning for me when I was summoned to respond to a bite years ago.  The victim was a young man who had collected (illegally) a Northern Copperhead and decided to determine its sex while he was driving, with his dog bouncing around the car at the same time!

Moccasins and Coral Snakesdownload (1)

Water Moccasins can be aggressive when threatened but often retreat into water if able.  One must usually search quite hard for Coral Snakes, which spend most of their time underground or beneath cover.

Prime Bite Times

Snakes sense danger, via ground vibrations or scent, from far off; most take shelter rather than risk a standoff.  However, on cool mornings and evenings, especially in the spring and fall, many species warm up by basking on roadways and other heat-retaining surfaces.  In these situations, they may be slow to retreat, as the speed at which a reptile can respond is tied to its body temperature.  Dogs can corner them easily at such times – and the snake may then have no choice but to make a stand where it lies.

 

 

2 comments

  1. avatar

    snakes are great as pets.

    • avatar

      Hello, Frank Indiviglio here.

      Thanks for your interest in our blog. I look forward to your future comments and questions.

      Good luck and enjoy,

      Best regards, Frank Indiviglio.

About Frank Indiviglio

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Being born with a deep interest in animals might seem unfortunate for a native Bronxite , but my family encouraged my interest and the menagerie that sprung from it. Jobs with pet stores and importers had me caring for a fantastic assortment of reptiles and amphibians. After a detour as a lawyer, I was hired as a Bronx Zoo animal keeper and was soon caring for gharials, goliath frogs, king cobras and everything in-between. Research has taken me in pursuit of anacondas, Orinoco crocodiles and other animals in locales ranging from Venezuela’s llanos to Tortuguero’s beaches. Now, after 20+ years with the Bronx Zoo, I am a consultant for several zoos and museums. I have spent time in Japan, and often exchange ideas with zoologists there. I have written books on salamanders, geckos and other “herps”, discussed reptile-keeping on television and presented papers at conferences. A Master’s Degree in biology has led to teaching opportunities. My work puts me in contact with thousands of hobbyists keeping an array of pets. Without fail, I have learned much from them and hope, dear readers, that you will be generous in sharing your thoughts on this blog and web site. For a complete biography of my experience click here.

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