لطفا قبل از ايجاد تاپيک در انجمن پارسیان ، با استفاده از کادر رو به رو جست و جو نماييد
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موضوع: کشنده ترین مار های دنیا + عکس

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    پارسیان (شاپرزفا)
    Bauokstoney آنلاین نیست.
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    عنوان کاربر
    ناظـر ســایت
    تاریخ عضویت
    Jan 1970
    شماره عضویت
    3
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    72,809
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    حالت من : Asabani
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    موضوع پیش فرض کشنده ترین مار های دنیا + عکس

    کشنده ترین مار های دنیا+عکس


    Black Mamba

    پارسیان (شاپرزفا)
    Scientific name: Dendroaspis polylepis
    Size: 2.5 – 4.5 metres
    Location: Africa
    Habitat: Grasslands, bushes and small trees
    Food: Small birds and rodents
    Breeding: Between 10 and 25 eggs
    Venom amount: 100-120 mg average up to 400 mg and can kill a human in 20 minutes. Without treatment the mortality rate is 100%, the highest among snakes.


    Eastern Coral Snake
    پارسیان (شاپرزفا)
    Scientific name: Micrurus fulvius
    Size: To 80 cm
    Location: The Americas
    Habitat: In the ground, leaf litter, under rocks
    Food: Other small snakes, and other small fossorial species.
    Breeding: 3-12 eggs
    Venom amount: Average 2-6 mg with a maximum of more than 12 mg.

    Photo credit: LA Dawson



    Saw-scaled viper
    پارسیان (شاپرزفا)
    Scientific name: Echis carinatus
    Size: Between 38 and 80 cm
    Location: Asia, Indian subcontinent and Middle East
    Habitat: Sand, rock, soft soil and in scrublands
    Food: Rodents, lizards, frogs and large insects
    Breeding: 3 to 15 live young
    Venom amount: Average 12 mg



    Indian Cobra
    پارسیان (شاپرزفا)
    Scientific name: Naja naja
    Size: Between 1-2 metres
    Location: Indian subcontinent
    Habitat: Throughout the mainland from sea-level up to 2000m
    Food: Rodents, toads, frogs, birds and other snakes
    Breeding: 12 to 30 eggs
    Venom: Powerful post-synaptic neurotoxin paralyzing muscles, and possibly leading to respiratory failure or cardiac arrest.

    Image credit: Saleem Hameed


    Death Adder
    پارسیان (شاپرزفا)
    Scientific name: Acanthophis Antarcticus
    Size: 70-100cm
    Location: Most Of Australia
    Habitat: Woodlands, grasslands and heaths
    Food: Small mammals, birds and reptiles
    Breeding: Live-Bearing between 10-20 young
    Venom amount: World’s fifth most venomous snake


    Boomslang
    پارسیان (شاپرزفا)
    Scientific name: Dispholidus typus
    Size: Average 100 cm
    Location: Southern African
    Habitat: Trees
    Food: Lizards, frogs, and occasionally small mammals, birds and eggs
    Breeding: Eggs
    Venom amount: 4–8 mg. Venom is primarily a haemotoxin which disables the blood clotting process and a victim may die as a result of internal and external bleeding.



    Beaked seasnake
    پارسیان (شاپرزفا)
    Scientific name: Enhydrina schistosa
    Size: Average 110 cm
    Location: South and Southeast Asia, Australia
    Habitat: In the coast and coastal islands
    Food: Fish and eels
    Breeding: Live bearing into water
    Venom: It is rated four to eight times as toxic as cobra venom and 1.5 mg is estimated to be lethal, but seasnakes are mostly considered generally mild tempered and rarely bite.



    Banded krait
    پارسیان (شاپرزفا)
    Scientific name: Bungarus fasciatus
    Size: Around 180 cm
    Location: India, Southeast Asia
    Habitat: Forests to agricultural lands
    Food: Snakes, also fish, frogs, skinks and eggs
    Breeding: Egg laying
    Venom amount: It is neurotoxic but due to the snake's behaviour snake bites on humans is rare.




    Inland Taipan
    پارسیان (شاپرزفا)

    Scientific name: Oxyuranus Microlepidotus. Also known as as a fierce snake.
    Size: To 200 cm
    Location: Central Australia
    Habitat: Dry Plains And Grasslands
    Food: Small rodents, small birds and rats
    Breeding: Egg-Laying
    Venom amount: The most venomous snake in the world averaging at 44 mg but 110 mg is the highest ever yield.



    Brown snake
    پارسیان (شاپرزفا)

    Scientific name: Pseudechis Australis
    Size: To 200 cm
    Location: Australia
    Habitat: Forests to deserts
    Food: Frogs, small mammals
    Breeding: Live-bearing




    Tiger snake
    پارسیان (شاپرزفا)
    Scientific name: Notechis Scutatus
    Size: To 1.2M
    Location: Eastern Australia
    Habitat: Forests, open grasslands
    Food: Frogs
    Breeding: Live-bearing, up to 30 at one time



    King Cobra
    پارسیان (شاپرزفا)

    Scientific name: Ophiophagus hannah
    Size: This is the world's longest venomous snake, growing to a length of 5.7 m and weighing up to 9 kg.
    Location: South-east Asia and India
    Habitat: Dense highlands and forest
    Food: Mainly other snakes (Ophiophagus means 'snake eater') as well as lizards, birds, and rodents.
    Breeding: Egg laying – up to 50 eggs
    Venom amount: Venom is primarily neurotoxic and acts specifically on nerve cells. Less toxic than other snakes but due to its size it can deliver much more venom.




    Southern Pacific Rattlesnake
    پارسیان (شاپرزفا)

    Scientific name: Crotalus viridis helleri
    Size: 61-139 cm
    Location: US and Mexico
    Habitat: Seaside dunes, to desert scrub, grassy plains, rocky hillsides
    Food: Birds, lizards, snakes, frogs, insects, and small mammals
    Breeding: Live-bearing
    Venom amount: Lethal venom dose for humans is 70-160 mg and adults can produce up to 112 mg of venom





    Russell's Viper
    پارسیان (شاپرزفا)

    Scientific name: Daboia
    Size: Up to 166 cm
    Location: Indian subcontinent, China and Taiwan
    Habitat: Any habitat apart from dense forest and humid environments.
    Food: Rodents mainly, but also cats, land crabs, scorpions
    Breeding: Live litters of 20-40 are common
    Venom amount: Reported venom yields range from 130-250 mg.

    Photo credit: Sandilya Theuerkauf, Savandurga, Bangalore.

    When snakebites do happen much tissue damage occurs in the region of the bite and infection can spread rapidly.

    One such account is that of a 13 year old boy who was bitten by a Northern Pacific rattlesnake on his hand. In all he spent 35 days in hospital and had 10 surgeries.

    The following few pictures show graphic scenes from the operation and the damage caused by just one bite. Not for the faint of heart


    36 hours after bite
    پارسیان (شاپرزفا)



    Arm during the 2nd surgery, 36 hours after the bite. You can see how unhealthy all the tissue is.


    Second surgery
    پارسیان (شاپرزفا)

    The hand, also during the 2nd surgery shows loads of dead tissue in the palm.

    5th surgery, day 12
    پارسیان (شاپرزفا)

    Hand during the 5th surgery, on Day 12. There is still a huge amount of dead tissue, but progress on cleaning it out has been made. The surgeons have started the long process of closing the hand, using staples and rubber bands.


    8th surgery, day 23
    پارسیان (شاپرزفا)



    Skin graft day 35
    پارسیان (شاپرزفا)

    Skin graft on arm on Day 35. The holes have begun to fill in with tissue and the graft edges are starting to attach to the surrounding skin.

    Vascular flap surgery
    پارسیان (شاپرزفا)

    Hand 3 days after vascular flap surgery to fix the thumb position back to normal. The surgeons took a chunk of skin and muscle from the back, attached its artery and vein using microsurgery, and then stitched it to the arm. This took 6 hours.

    A small section of black tissue is visible below the flap. This is where there was blood clotting causing the tissue to die, and over the following month new tissue grew to replace the dead, leaving no permanent damage.

    Many thanks to Justin Schwartz who let us use these pictures. You can read about his story and view some more pictures
    «« در جهان هیچ چیز بهتر از راستی نیست »»

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