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Timber rattlesnake, Crotalus horridus This is a list of all sure genera, species and subspecies of the subfamily Crotalinae, [1] otherwise referred to as crotalines, pit vipers, or pitvipers, and including rattlesnakes Crotalus and Sistrurus.
Totonacan Rattlesnake (Crotalus totonacus) in southern Tamaulipas, Mexico (10 July 2005). Adults frequently grow to more than 150 cm (4 ft 11 in) in length. The largest recorded specimen was 166.5 cm (5 ft 5 + 1 ⁄ 2 in) in length.
Download as PDF; Printable version; In other projects ... This is a list of extant snakes, given by their common names. Note ... Rattlesnake. Arizona black rattlesnake;
Rattlesnake venom is a mixture of five to fifteen enzymes, various metal ions, biogenic amines, lipids, free amino acids, proteins, and polypeptides. More specifically, there are three main families of toxins in rattlesnakes: phospholipases A2 (PLA2s), snake venom metalloproteinases (SVMPs), and snake venom serine proteinases (SVSPs). [ 49 ]
A juvenile Hopi rattlesnake (Crotalus viridis nuntius) in captivity. Prairie rattlesnakes are viviparous and can produce from one to 25 young per reproduction event. The average number of young ranges from four to 12, but can vary greatly due to availability of food and environmental conditions.
Hubbs and O'Connor (2012) list an adult size range of 812–1,219 mm (32.0–48.0 in). [ 7 ] The color pattern consists of a dark grayish, brownish black, reddish brown, or blackish ground color, overlaid with a dorsal pattern of blotches that are rectangular anteriorly, becoming subhexagonal posteriorly, eventually becoming crossbands just ...
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Two main hemotoxic effects are caused by rattlesnake venom. First, zinc-containing metalloproteases act upon capillary endothelial cells to inhibit platelet aggregation and hemorrhage. [ 14 ] Second, the platelet antagonist crotalin creates a severe bleeding effect as it binds to the surface proteins, blocking aggregation.