Otherwise, nothing is fooled by the copy.  Cobras do not occur in North America, so our snake, also known as the Eastern Hognose Snake (Heterodon platyrhinos), cannot mimic it.
www.hsu.edu/content.aspx?id=3933
Eastern Hognose Snake; Heterondon platirhinos ... The very impressive display has earned it the misname of "Spread Adder" and other frightening names. This is all an act. The strike is made with a closed mouth, and it is very, very rare for a Hognose to actually bite a person, even when handled. ... patterned adult, spreading...
www.snakesandfrogs.com/scra/snakes/ehognos.htm www.snakesandfrogs.com/scra/snakes/ehognos.htm
Heterodon platirhinos - Wikipedia, the free encyclopedia
The Eastern Hognose Snake ( Heterodon platirhinos ) is a harmless colubrid species found in North America. No subspecies are currently recognized.
en.wikipedia.org/wiki/Heterodon_platirhinos
Heterodon nasicus - Wikipedia, the free encyclopedia
Heterodon nasicus is a harmless colubrid species found in North America and northern Mexico. Three subspecies are currently recognized, including the typical form described here.
en.wikipedia.org/wiki/Heterodon_nasicus
Hognose Snake (also called Puff Adder, Blowing Viper, Spreadhead, Spreading Viper): (1) Eastern Hognose Snake, (2) Eastern Hognose Snake, (3) Eastern Hognose Snake, (4) Eastern Hognose Snake (Heterodon platyrhinos), (5) Eastern Hognose Snake: Heterodon Platirhinos, (6) Southern Hognose: Heterodon Simus...
www.42explore.com/snake2.htm www.42explore.com/snake2.htm
Adder Poisonous snake of the viper family. In Great Britain the only venomous snake is the adder. Adult can usually recover from the effects of its bite. In Africa are found the related puff and night adder. The names puff adder and spreading adder are sometimes applied to the harmless hog-nosed snake of North America .
animaltrial.com/addersnake.html animaltrial.com/addersnake.html
This snake was also identiefied in the early 1900's by Frank Blanchard as Heterodon contortrix ; COMMON NAME: Eastern Hognose Snake ; COMMON NICKNAMES Puffing adder, spreading adder, false cobra, death adder.
www.hognose.com/pages/species/east.htm
Hognose Snake , Puff Addar, Spreading Addar ... It is a harmless snake found in North American. It is named for their upturned snouts used for digging. Also known as the puff adder, the hissing adder, and the spreading adder.
www.manbir-online.com/snakes/hognose.htm www.manbir-online.com/snakes/hognose.htm
Adder is a common name for a snake of the viper family. There are many types of snakes also reffered as adders. ... Hognose snakes, also called puff adders, spreading adders, or hissing adders, rarely even bite; these snakes puff up and hiss wildly when disturbed.
www.manbir-online.com/snakes/addar.htm www.manbir-online.com/snakes/addar.htm
On a thick hedgerow, up the gravel-road, toward Dick and Elbert Johnson's place, under a spread of chinaberry trees, is where granddaddy once encountered a gigantic spreading adder. The proper name of the snake was something as a child I couldn't articulate because I never understood the correct spelling or pronunciation.
www.nearplainsgeorgia.com/Richland/BSB/chinaberry_trees... www.nearplainsgeorgia.com/Richland/BSB/chinaberry_trees_story.htm