timber rattlesnake
(Crotalus horridus)
Conservation • Description • Habitat • Ecology • Distribution • Taxonomy
Conservation Status |
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| IUCN Red List | LC - Least Concern |
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| NatureServe | N4 - Apparently Secure S2 - Imperiled |
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| Minnesota | Threatened Species in Greatest Conservation Need |
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Description |
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The head is triangular and unmarked. There is a sensory pit between the eye and the nostril on each side of the head. The body is marked with dark brown to black chevron-shaped bands and a brown mid-dorsal stripe. The tail is black and ends in a rattle with 1 to 13 or more segments. |
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Size |
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36″ to 54″ |
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Similar Species |
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Massasauga (Sistrurus catenatus) is smaller. The body is blotched, not banded. |
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Habitat |
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Steep, south and southwest facing bluff prairies with rock outcroppings near a forest |
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Ecology |
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Behavior |
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Lifespan |
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25 to 30 years or more |
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Life Cycle |
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Food |
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Mostly small mammals but also birds and bird eggs. |
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Distribution |
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Sources 4, 6, 14, 24, 29, 30, 74, 76, 78.
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| 7/29/2023 | ||||
Occurrence |
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Spotty |
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Taxonomy |
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| Class | Reptilia (reptiles) | ||
| Superorder | Lepidosauria | ||
| Order | Squamata (snakes and lizards) | ||
| Suborder | Serpentes (snakes) | ||
| Infraorder | Alethinophidia | ||
| Superfamily | Colubroidea | ||
Family |
Viperidae (vipers) | ||
Subfamily |
Crotalinae (pit vipers) | ||
Genus |
Crotalus (rattlesnakes) | ||
Subordinate Taxa |
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Synonyms |
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Crotalus atricaudatus Crotalus horridus atricaudatus Crotalus horridus horridus |
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Common Names |
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canebrake rattlesnake timber rattlesnake |
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Visitor Photos |
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Share your photo of this reptile. |
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Linda Griggs |
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Scott Leddy |
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Here is a picture is of some rattlesnakes on a favorite rock shelf, they are from Fillmore Co. Enjoy. |
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Ramona Abrego |
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Captive – Wildlife Science Center |
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Dennis Boelter |
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MinnesotaSeasons.com Photos |
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Slideshows |
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Visitor Videos |
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Share your video of this reptile. |
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| This button not working for you? Simply email us at info@MinnesotaSeasons.com. Attach a video, a YouTube link, or a cloud storage link. |
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Other Videos |
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| Timber Rattlesnake HD TheSnakeLibrary |
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About
Published on Aug 20, 2012 Timber Rattlesnake Description: Tan/brown with dark stripes across back. Orange/brown line down middle of back. Unmarked head. 23-25 keeled scales. Black tail. Dimensions: 88.9-189.2cm. (95-74 1/2") Warning! Rattlesnakes, Copperheads, and Cottonmouths belong to a group of snakes known as pit vipers. These dangerous snakes have a heat-sensitive sensory organ on each side of the head that enables them to locate warm-blooded prey and strike accurately, even in the dark. The curved, hollow fangs are normally folded back along the jaw. When a pit viper strikes, the fangs rapidly swing forward and fill with venom as the mouth opens. The venom is a complex mixture of proteins that acts primarily on a victim's blood tissue. If you hear a rattlesnake shaking its rattle, back away. The snake is issuing a warning, and if the warning is ignored it may bite. There are many factors (temperature being the most important) that determine how a snake will react when confronted by a human. Venomous snakes should always be observed from a safe distance. Pit vipers are never safe to handle. Even dead ones can retain some neurological reflexes, and "road kills" have been known to bite. Breeding: Breeds in spring, after hibernation. Alternative years. 5-17 live young. 25-33cm (10-13") long born August- October. Females breed at 4/5 years. Habitat: Wooded hillsides and rocky outcrops. Range: Maine through Florida. Minnesota and Texas. Discussion: Hibernates in winter, active April-October. Often hibernate with Copperheads and rat snakes. Wait for prey, coiled up. Rats, squirrels and mice form diet. Motionless if approached even by prey until it strikes. Longest living over 30 years. |
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| Steve Irwin: Timber Rattlesnake coachwieand |
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About
Published on Apr 24, 2014 Steve handles a Timber rattlesnake in the Appalacian Mountains |
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| Hunting BIG Rattlesnakes in Pennsylvania 2014 Leatherwood Outdoors |
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About
Published on Jul 8, 2014 Timber Rattlesnake Hunting Pa 2014. Follow Shane Reed and Ryan Toth as they hunt for big timber rattlesnakes in Lycoming county Pennsylvania. The guys find a group of four big snakes near a log pile. Two of the snakes were males and the other two were female. Shane and Ryan tag out with a 52 and a 51 1/2 black phase timber rattlesnake. |
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| Timber Rattlesnake Den NatureBreak |
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About
Uploaded on Jul 30, 2009 www.NatureBreak.org. Join me as I visit a timber rattlesnake maternity den to see how many snakes I can find. |
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| Brandon's Herp Adventures: Timber Rattlesnake xxxHERPERxxx |
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About
Uploaded on May 29, 2009 (Crotalus horridus) |
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Visitor Sightings |
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Report a sighting of this reptile. |
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| This button not working for you? Simply email us at info@MinnesotaSeasons.com. Be sure to include a location. |
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| Linda Griggs 7/22/2023 |
Location: Yucatan Township, MN |
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| Ramona Abrego | Location: Forest Lake Captive – Wildlife Science Center |
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| Dean Singer 7/14 and 7/24/2019 |
Location: Garvin Heights wildwood bike trail 7-14-19 and Holzinger wildwood bike trail above woodland cemetery. (Winona County) Both were stretch across bike trail. One onto of Garvin Heights extremely aggressive and did not rattle until right on top of it. I was there to cut up a fallen tree across trail. Snake was in the tree and mad as hell. Snake above cemetery was stretched across a trail that is heavily used by riders and walkers. Myself and wife and son passed by the snake twice within minutes and did not see until second time. This snake was not aggressive and did not rattle. And yes it also had rattles but was about 3 feet long and small head appeared to be a younger snake. At this point I think someone should be advising the city to possibly post signs so people can be aware. A lot of the joggers and walkers wear headphones and will never hear a rattle until it’s too late. |
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| Scott Leddy 8/30/2015 |
Location: Fillmore County Here is a picture is of some rattlesnakes on a favorite rock shelf, they are from Fillmore Co. Enjoy. |
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| Dennis Boelter 8/4/2008 |
Location: Winona |
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MinnesotaSeasons.com Sightings |
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