Crotalus

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  • Rattlesnake Research Paper

    There are 24 different species of rattlesnake, and its average lifespan lasts anywhere from 10 to 20 years. A rattlesnake’s diet usually consists of lizards and small rodents including mice, rats, squirrels or rabbits. It measures around 5 to 6 feet long and approximately 5 pounds and often takes several years to mature. Natural predators of rattlesnakes include crows, coyotes, skunks, raccoons, roadrunners, king snakes and more. Taxonomy The taxonomy of the rattlesnake start with the kingdom Animalia and subkingdom Bilateria. Then it moves to the phylum Chordata, subphylum Vertebrata and the class Reptilia. Rattlesnakes are then placed in the order Squamata, suborder Serpentes, family Viperidae, subfamily Crotalinae and genus Crotalus. Description The rattlesnake’s eye is well adapted to nocturnal use, however their vision is keener during daytime. Rattlesnakes are able to see color, but unable to sharply define images forcing them to rely mostly on their perception of movement to hunt. Even though their eyes don’t move to follow objects, they are capable of horizontal rotation. The rattlesnake’s sense of smell is exceptionally acute. They smell both through their nostrils and the flicking of their tongues which carries particles to an organ called the Jacobson’s organ in the roof of their mouths. Rattlesnakes don’t have any ears, but they are able to sense vibrations in the ground that translate to the auditory nerve. The rattlesnake’s fangs are…

    Words: 847 - Pages: 4
  • The Dangers Of Snakebites

    Snakes are lengthy, carnivorous reptiles without legs, protected with scales, have sharp fangs and venom inside it. There are numerous different types of snakes and these include king cobra, python, rattlesnake, and anaconda. Snakebites can be extremely lethal particularly because of their deadly venom. Every year, you will find around 7, 000 poisonous snake bites scenarios that are being documented in America. Apart from being deadly, snake bites may also result in allergic response and…

    Words: 949 - Pages: 4
  • Sexual Dymorphism Case Study

    Sexual dimorphism in body size between males and females helps contribute to both natural and sexual selection for reproductive advantage. However, it is not known why these differences exist in most species and how it may be controlled. Several case studies were performed on Sceloporus lizards, including those of male-larger species and female-larger species, as well as the Western diamond-backed rattlesnake, Crotalus atrox, which is a male-larger species. The main question revolves around…

    Words: 812 - Pages: 4
  • Action Potentials In The Mojave Rattlesnake

    Through the genetic diversity, the Mojave rattlesnake is the only snake to have developed this specific type of neurotoxin. However, there is an interesting variation of the venom within the genus. The South American rattlesnake (Crotalus durissus terrificus) is closely related to the Mojave rattlesnake. It differs slightly, because the South American rattlesnake possesses a crotoxin, whose genetic composition is only slightly different than that of the Mojave rattlesnake (Aird, Kaiser, Lewis, &…

    Words: 1100 - Pages: 4
  • Tulsa Zoo Research Paper

    Desert”, and “Life in the Cold” (see Figure 1). Pictures were taken of the animals observed. All images of the animals are personal images. Figure 1: Tulsa Zoo Map. Results: We saw many different animals in each of the biomes. For each biome, two animals were selected for further research. In The Rainforest I saw smooth-fronted dwarf caiman (Paleosuchus trigonatus) and water wolves (Hydrolycus armatus). In Life in the Water I saw a scarlet ibis (Eudocimus ruber) and an albino American…

    Words: 2158 - Pages: 9
  • Antelope Squirrel

    Background The Nelson's Antelope Squirrel (Ammosperophilus nelsoni), or NAS, is found in the San Joaquin Valley of North America between the southern part of the Sierra Nevada and the Tehachapi Mountains (Hawbecker 1953). NAS has been found to prefer habitat containing Desert Saltbush (Atriplex polycarpa) for it's burrows (Hawbecker 1953). Red-Stemmed Filaree (Erodium cicutarium) and Red Brome (Bromus rubens) are staples of NAS' diet along with insects such as the June Beetle (Phyllophaga…

    Words: 848 - Pages: 4
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