Top 10 Most Dangerous Reptiles
Reptiles!
The name itself sounds creepy and notorious. They are neither birds nor
animals. They are cold blooded. They have scales, fangs and talons to
rip apart their prey or paralyze it and lay it dead. They are horrific,
they are poisonous and they have been ruling this planet before the
beginning of time. Reptiles, capable of biting your limbs off and making
you immobile and dead in a jiff, are the most dangerous species on the earth. With over 10,000 species spread across the globe, below is the list of ten most dangerous of them. Have a glance.
NUMBER 10
Iguanas have keen vision and can see shapes, shadows, colors, and movement at long distances. Their visual acuity enables them to navigate through crowded forests and to locate food. They employ visual signals to communicate with other members of the same species.[4]
The tympanum, the iguana's eardrum, is located above the subtympanic shield (or "earshield") behind each eye. Iguanas are often hard to spot, as they tend to blend into their surroundings and their coloration enables them to hide from larger predators.[4]
Male iguanas, like other male examples of Squamata, have two hemipenes.
NUMBER 9
The leatherback sea turtle (Dermochelys coriacea), sometimes called the lute turtle or leathery turtle, is the largest of all living turtles and is the fourth-heaviest modern reptile behind three crocodilians.[4][5] It is the only living species in the genus Dermochelys and family Dermochelyidae. It can easily be differentiated from other modern sea turtles by its lack of a bony shell, hence the name. Instead, its carapace is covered by skin and oily flesh. Dermochelys is the only extant genus of the family Dermochelyidae.
D. coriacea is the only species in genus Dermochelys. The genus, in turn, contains the only extant member of the family Dermochelyidae.[6]
Domenico Agostino Vandelli named the species first in 1761 as Testudo coriacea after an animal captured at Ostia and donated to the University of Padua by Pope Clement XIII.[7] In 1816, French zoologist Henri Blainville coined the term Dermochelys. The leatherback was then reclassified as Dermochelys coriacea.[8] In 1843, the zoologist Leopold Fitzinger put the genus in its own family, Dermochelyidae.[9] In 1884, the American naturalist Samuel Garman described the species as Sphargis coriacea schlegelii.[10] The two were then united in D. coriacea, with each given subspecies status as D. c. coriacea and D. c. schlegelii. The subspecies were later labeled invalid synonyms of D. coriacea.[11][12]
The turtle's common name comes from the leathery texture and appearance of its carapace. Older names include "leathery turtle"[5] and "trunk turtle".
NUMBER 8
The average size is about 1m (39.3 inches) in total length (body + tail) and very stout. Large specimens of 190 cm (75 in) total length, weighing over 6.0 kg (13.2 lbs) and with a girth of 40 cm (16 in) have been reported. Specimens from Saudi Arabia are not as large, usually no more than 80 cm (31 in) in total length. Males are usually larger than females and have relatively longer tails.[3] The head has a less than triangular shape with a blunt and rounded snout. Still, the head is much wider than the neck. The rostral scale is small. The circumorbital ring consists of 10–16 scales. Across the top of the head, there are 7–11 interocular scales. 3–4 scales separate the suboculars and the supralabials. There are 12–17 supralabials and 13–17 sublabials. The first 3–4 sublabials contact the chin shields, of which there is only one pair. Often, there are two fangs on each maxilla and both can be functional.[3][6]
Midbody there are 29–41 rows of dorsal scales. These are strongly keeled except for the outermost rows. The ventral scale count is 123–147, the subcaudals 14–38. Females have no more than 24 subcaudals. The anal scale is single.
NUMBER 7
The alligator snapping turtle (Macrochelys temminckii) is one of the heaviest freshwater turtles in the world.[3] It is often associated with, but not closely related to, the common snapping turtle, which is in the genus Chelydra. The specific epithet temminckii is in honor of Dutch zoologist Coenraad Jacob Temminck.[4]
Although it was once believed to be only one species, a recent study suggests that it is actually three separate species; Macrochelys temminckii, Macrochelys suwanniensis, and Macrochelys apalachicolae.[5][6]
The alligator snapping turtle is given its name because of its immensely powerful jaws and long, spring-like neck, as well as distinct ridges on its shell that are similar in appearance to the rough, ridged skin of an alligator.
number 6
Although the name applies to a group of snakes, it is often used to refer only to one species in particular, the common or green anaconda (Eunectes murinus) which is the largest snake in the world by weight, and the second longest.
Anaconda may refer to:
- Any member of the genus Eunectes, a group of large, aquatic snakes found in South America
- Eunectes murinus, the green anaconda, the largest species, is found east of the Andes in Colombia, Venezuela, the Guianas, Ecuador, Peru, Bolivia, Brazil and Trinidad and Tobago.
- Eunectes notaeus, the yellow anaconda, a small species, is found in eastern Bolivia, southern Brazil, Paraguay and northeastern Argentina.
- Eunectes deschauenseei, the darkly-spotted anaconda, is a rare species found in northeastern Brazil and coastal French Guiana.
- Eunectes beniensis, the Bolivian anaconda, the most recently defined species, is found in the Departments of Beni and Pando in Bolivia.
- The giant anaconda is a mythical snake of enormous proportions said to be found in South America.
- The term was previously applied imprecisely, indicating any large snake that "constricts" its prey (see Constriction) was called anaconda,[1] though this usage is now archaic.
The black mamba (Dendroaspis polylepis) is a venomous snake endemic to parts of sub-Saharan Africa. Skin colour varies from grey to dark brown; it is the inside of its mouth that is black. Juvenile black mambas tend to be lighter in color than adults and darken with age. It is the longest species of venomous snake indigenous to the African continent; mature specimens generally exceed 2 meters (6.6 ft) and commonly attain 3 meters (9.8 ft). Specimens of 4.3 to 4.5 meters (14.1 to 14.8 ft) have been reported.
Although most mamba species are tree-dwelling snakes, the black mamba is not generally arboreal, preferring lairs in terrestrial habitats in a range of terrains. These include savannah, woodlands, rocky slopes and in some regions dense forest. It is diurnal and chiefly an ambush predator, known to prey on hyrax, bushbabies and other small mammals as well as birds. It is also a pursuit predator; in this it resembles some other long, speedy, highly-venomous species with well-developed vision. Over suitable surfaces it is possibly the speediest species of snake, capable of at least 11 km/h (6.8 mph) over short distances. Adult mambas have few natural predators.
NUMBER 4
The Gila monster (Heloderma suspectum, /ˈhiːlə/ HEE-lə) is a species of venomous lizard native to the southwestern United States and northwestern Mexican state of Sonora. A heavy, slow-moving lizard, up to 60 cm (2.0 ft) long, the Gila monster is the only venomous lizard native to the United States and one of only two known species of venomous lizards in North America, the other being its close relative, the Mexican beaded lizard (H. horridum).[2] Though the Gila monster is venomous, its sluggish nature means it represents little threat to humans. However, it has earned a fearsome reputation and is sometimes killed despite being protected by state law in Arizona
NUMBER 3
The king cobra is a prominent symbol in the mythology and folk traditions of Pakistan, India, Sri Lanka and Myanmar.
NUMBER 2
Their unusually large size has been attributed to island gigantism, since no other carnivorous animals fill the niche on the islands where they live.[6][7] However, recent research suggests the large size of Komodo dragons may be better understood as representative of a relict population of very large varanid lizards that once lived across Indonesia and Australia, most of which, along with other megafauna,[1] died out after the Pleistocene. Fossils very similar to V. komodoensis have been found in Australia dating to greater than 3.8 million years ago, and its body size remained stable on Flores, one of the handful of Indonesian islands where it is currently found, over the last 900,000 years, "a time marked by major faunal turnovers, extinction of the island's megafauna, and the arrival of early hominids by 880 ka [kiloannums].
NUMBE
| The saltwater crocodile (Crocodylus porosus), also known as the estuarine crocodile, Indo-Pacific crocodile, marine crocodile, sea crocodile or informally as saltie,[2] is the largest of all living reptiles, as well as the largest riparian predator
in the world. Males of this species can reach sizes up to at least
6.30 m (20.7 ft) and possibly up to 7.0 m (23.0 ft) in length.[3]
However, an adult male saltwater crocodile rarely reaches and exceeds a
size of 6 m (19.7 ft) weighing 1,000 to 1,200 kg (2,200–2,600 lb).[4] Females are much smaller and often do not surpass 3 m (9.8 ft).[4] As its name implies, this species of crocodile can live in marine environments, but usually resides in saline and brackish mangrove swamps, estuaries, deltas, lagoons, and lower stretches of rivers. They have the broadest distribution of any modern crocodile, ranging from the eastern coast of India, throughout most of Southeast Asia, and northern Australia. The saltwater crocodile is a formidable and opportunistic hypercarnivorous apex predator. Most prey are ambushed and then drowned or swallowed whole. It is capable of | |
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