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Golden lancehead

Bothrops insularis

Nomi haqida: Its common name comes from the light yellowish-brown colour of its underside and from its lance-shaped head, which is typical of the genus Bothrops.1

Oʻldirishi mumkinDavolanmasa, seni oʻldirishi mumkin. Agar seni chaqsa, tezda yordam ol.

Chuqurboshli ilonlar

ChaqadiOvqati: Goʻsht

Odamlar uchun xavf: Juda xavfliDavolanmagan odamni oʻldirishi mumkin.

The golden lancehead is an extremely venomous pit viper that lives only on one small Brazilian island, Ilha da Queimada Grande. It is one of the most venomous snakes in Latin America. Because the island is uninhabited and closed to visitors, it is very unlikely that people will ever meet one.1

Yashash joyi

Ilha da Queimada Grande (Snake Island), off the coast of São Paulo state, Brazil. Found nowhere else in the wild.1

Janubiy Amerika

Bosh sahifa

The island has forest, clearings and shrubs, and a mild climate that stays between 18 °C and just over 22 °C. The rocky terrain makes the island hard to reach, and no humans or other mammals live there. The snake hunts in trees and shelters in leaf litter or rock crevices.1

Uzunlik

70 cm dan 1,2 m gacha (2,3 ft dan 3,9 ft gacha)1

Eng yuqori tezlik

taxminan 3,5 km/soat (2,2 mil/soat)

Quruqlikda, taxminiy

Nima yeydi?

Adults mostly eat perching birds and also lizards, and may sometimes eat other golden lanceheads. After biting prey, it keeps the animal in its mouth instead of releasing it and tracking it, which is thought to suit hunting birds.1

Golden lancehead surati — Golden lancehead. Surat: Nayeryouakim. CC BY-SA 4.0, Wikimedia Commons.

Uni qanday tanish mumkin

Pale yellowish-brown body with a series of dorsal blotches that may be triangular or square.1
Belly is a uniform pale yellow or cream.1
Lance-shaped head that comes to a point at the nose.1
No well-defined stripe running behind the eye.1
Has a longer tail than its closest relative, B. jararaca.1

Koʻpincha adashtiriladi: Its closest relative is B. jararaca, which lives in southern Brazil, Paraguay and northern Argentina. The golden lancehead can be told apart from it mainly by its longer tail.1

Zahar quvvati

Chaqadi

Chaqqanda zahar zaharli tishlari yoki tishlari orqali chiqadi.

Uning zahari (chaqsa yoki nish ursa) nima qiladi?

Its venom is adapted to the animals of the island, mainly reptiles, arthropods and migrating birds, so it works better on these than on mammals. Chemical analysis suggests it is five times as potent as the venom of B. jararaca and is the fastest-acting venom in the genus Bothrops. Its venom becomes more potent as the snake matures. Effects reported in envenomations include swelling, pain, nausea, vomiting, blood blisters, bruising, bleeding into the gut and brain, kidney failure and severe muscle damage.1

Odamlar uchun qanchalik xavfli?

Odamlar uchun xavf: Juda xavfliDavolanmagan odamni oʻldirishi mumkin.

No official report of a human bite from this species has been made, because the island is uninhabited. Other lanceheads cause more human deaths than any other group of snakes in North or South America. One researcher reports four human envenomations by this species, three of which were fatal. For lanceheads in general, the mortality rate is 0.5 to 3.0% with treatment and 7.0% without it.1

Agar chaqsa

Odamni qimirlamay va xotirjam tut, chaqilgan qoʻl yoki oyoqni yurak balandligida ushla, uzuk va siquvchi narsalarni yechib ol va tezda kasalxonaga olib bor.

Har doim avval favqulodda yordam raqamiga qoʻngʻiroq qil (112, 000, 911). Bu birinchi yordam boʻyicha umumiy maslahat, tibbiy maslahat emas. Birinchi yordam asoslari

Xavfsiz boʻl

Hech qachon yovvoyi hayvonga tegma, uni tutma yoki jigʻiga tegma, hatto kichkina boʻlsa ham va hatto uxlayotgan yoki oʻlik koʻrinsa ham.
Unga joy ber. Agar duch kelsang, xotirjam boʻl, sekin orqaga chekin va uni oʻz yoʻliga ketishiga qoʻy.
Agar biri seni chaqsa: xotirjam boʻl, qimirlamay tur, favqulodda yordam raqamiga qoʻngʻiroq qil (112, 000, 911) yoki tezda kasalxonaga yet. U qanday koʻrinishda ekanini eslab qol, surat yordam beradi.

U seni ovlamoqchi emas. Zaharini ovqat tutish yoki oʻzini himoya qilish uchun ishlatadi va yashirinishni ancha afzal koʻradi. Xavfsiz qolish haqida batafsil

Dunyoning qayerida?

Afrika Osiyo Yevropa Shimoliy Amerika Janubiy Amerika Avstraliya va Okeaniya

U qanchalik katta?

U qanchalik uzun?

burnidan dumigacha tizilgan 2,5 ta uy mushugidek uzunketma-ket qoʻyilgan 7 ta banandek uzun100 metrni 100 soniyada bosib oʻtishi mumkin (eng tez odamga 9,6 soniya kerak)

Golden lancehead SEN bilan solishtirganda qanchalik katta?

Faqat brauzeringdagi hisob-kitob. Hech narsa saqlanmaydi va hech qayerga yuborilmaydi.

U qanchalik tez?

Toshbaqa taxminan 0,3 km/soat (0,19 mph)

Golden lancehead taxminan 3,5 km/soat (2,2 mph)

Piyoda ketayotgan odam taxminan 5 km/soat (3,1 mph)

bilish foydali

Faktlar

Its venom is thought to be five times as potent as that of its closest relative, B. jararaca.1

Its venom has evolved to suit the animals of its island, which has no native mammals.1

Its tail is longer than that of its closest relative, which may help it climb through trees and catch larger birds from a younger age.1

The island's population was estimated at between 2,414 and 2,899 snakes in 2021.1

Travel to the island is strictly prohibited by the Brazilian government.1

It is found only on Ilha da Queimada Grande, an island of about 43 hectares, and nowhere else in the wild.1

Zahar mutaxassislari uchun

Ilmiy nomi: Bothrops insularis
Guruh: Chuqurboshli ilonlar
Oila: Viperidae2
Tartib: Squamata
Qitʼalar: Janubiy Amerika
Chaqaloqlar: Like most vipers, it gives birth to live young. The average number of young per pregnancy is 6.5.1
Tabiatda ahvoli qanday: Critically Endangered (IUCN Red List)1
Odamlar uchun xavf: 4 / 5: Juda xavfli3

Faktlar qayerdan olingan

Golden lancehead (Wikipedia (CC BY-SA 4.0))
Bothrops insularis (iNaturalist): nomlar va tasnif.
Venom Wiki: xavf darajasi, odatiy oʻlcham va taxminiy tezlik bizning oʻz baholarimiz. Ularni qanday hisoblashimizni koʻr: Xavfni qanday baholaymiz.

Bu sahifadagi har bir faktning manbasiga ishora qiluvchi raqami bor. Agar biror narsani xato yozgan boʻlsak, kechir, biz hayvon ixlosmandlarimiz, ilmiy jurnal emas. [email protected] manziliga yoz, tuzatamiz.

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