Three Dogs Killed in Past Week by Deadly M-44 "Cyanide Bombs" 
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Three Dogs Killed In Past Week by Deadly
M-44 "Cyanide Bombs",
 Young Boy Lucky to be Alive

This past week has been deadly for three dogs killed by a device called a M-44 cyanide canister. These devices, which resemble a sprinkler head, are put out by Wildlife Services or certified county trappers to kill foxes and coyotes.  

On March 11 near Casper, Wyoming five people were out hiking with their four dogs in a frequently visited area. Abby, a 15-year old Drahthaar and Molly, a 7-year old Weimaraner
 were killed by an M-44 cyanide bomb 100 yards inside the boundaries of the private land.  

Another incident occurred on March 16, in eastern Idaho.  A 14-year old boy, Canyon and his 3-year old dog Casey were on a walk behind their house when the boy bent down to look at the M-44 canister. The cyanide poison was ejected onto Canyon's clothing and blew into Casey's mouth.  Casey was dead within minutes, and Canyon is lucky to be alive!  

Wyoming Families Out for a Pleasant Walk Lose Dogs to "Cyanide Bomb"

The New West: The Real Prey 
Casey (with owner Canyon), Abby (right), and  Molly (with owner Todd) were killed by M-44 "cyanide bombs".

What is an M-44?

M-44s are a spring-loaded device that contains sodium cyanide powder that is used to kill coyotes, foxes, and wild (feral) dogs.  The device contains a capsule of sodium cyanide that reacts with the saliva in the animal's mouth to produce hydrogen cyanide gas.  When inhaled, the gas usually kills the animal within one to five minutes.  Cyanide kills by binding to the iron in red blood cells and starving cells of oxygen.  Cyanide poisoning causes seizures, rapid breathing, nausea, vomiting, feeling of neck constriction and suffocation, confusion, anxiety, fixed and dilated pupils, coma, and ultimately death.  

When an animal bites and pulls on the cloth which contains a scent lure to attract the animal, the capsule breaks and the ejector is activated which causes the sodium cyanide to be propelled into the animal's mouth.  Wildlife Services is required to post signs warning the public of the presence of M-44 set in an area.  However, no signs were present in the recent case in Idaho and the bombs were set within 350 yards of neighborhood homes.  

U.S. Department of Agriculture M-44 Fact Sheet.

What is Wildlife Services?

Wildlife Services is a branch of the U.S. Department of Agriculture.  Their website states: "The mission of USDA APHIS Wildlife Services (WS) is to provide Federal leadership and expertise to resolve wildlife conflicts to allow people and wildlife to coexist."  

Despite the mission of Wildlife Services to "allow people and wildlife to coexist," the agency killed 2.7 million animals in 2016.  Wildlife Services acts on both private and public land in the U.S. often at the request of livestock producers.  Wolves, bears, coyotes, foxes, mountain lions, bobcats, birds, and many other types of wildlife are included in the target species.  
Predator Defense Documentary of Wildlife Services


Please use your voice to ask for a halt to the use of these deadly M-44 cyanide bombs that are employed to kill predators and endanger our people and pets. Thank you!

Wyoming USDA APHIS Wildlife Services Office
Mike Foster
State Director/Wildlife Biologist
PO Box 67
Casper, Wyoming 82602
(307) 261-5336

Office of Governor Matt Mead
State Capitol
200 West 24th Street
Cheyenne, WY 82002-0010
Phone: (307)-777-7434
Fax: (307) 632-3909

U.S. Senator Mike Enzi  

U.S. Senator John Barrasso

Please Donate to WU

Trap Release Workshops
 Dubois and Pinedale, WY

A properly set trap is very difficult to see and many of them are baited which attracts your pet.  Join us for these workshops on May 2 in Dubois, WY and May 3 in Pinedale, WY to learn how to keep you and your pet safe on our public and private lands.  Except for National Parks, almost anywhere you can walk your dog, traps are legal. There is no regulation that prohibits the placement of a trap on a trail or how many traps can be placed by each trapper. Trappers are not required to report animals trapped, how many animals they trap or any non-target animals, such as dogs.  
Also, learn about M-44's and how to identify them in the field.  

If you see a M-44, a trap, trapped animal or if you have a pet that is caught by a trap, please email, call 307-201-2422, or visit our website to post incident details.
Dubois, WY
 Tuesday May 2, 2017
Place: Boys and Girls Club, 401 Carson Street
Time: 6:30 - 8:00pm
Pre-registration is required:
Email or call Melanie Oard at or 307.455.2625
FREE - All ages welcome - no pets please
Pinedale, WY
Wednesday May 3, 2017
Place: Rendezvous Pointe Senior Center, 425 E. Magnolia
Time: 6:30 - 8:00pm
No registration is required
FREE - All ages welcome - no pets please
Photos:  Canyon & Casey: Theresa Mansfield
M-44, Todd and Molly: Predator Defense

Copyright © 2017 Wyoming Untrapped, All rights reserved.

Our mailing address is:
PO Box 9004, Jackson, Wyoming, 83002

** Wyoming Untrapped is dedicated to creating a safe and humane environment
for people, pets and wildlife through education, trapping regulation reform,
and compassionate coexistence.**

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