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Timber rattlesnake

Crotalus horridus

Tentang nama: Crotalus is Latin for a rattle or the sound of a castanet. Horridus is Latin for horrid or dreadful, probably because of its potentially deadly venom.1

Boleh membunuhBoleh membunuh kamu tanpa rawatan. Jika ia menggigit kamu, dapatkan bantuan dengan cepat.

Ular orok-orok

GigitanMakan: Daging

Bahaya kepada manusia: Sangat berbahayaIa boleh membunuh orang yang tidak mendapat rawatan.

The timber rattlesnake is a venomous pit viper that lives in forests and rocky land in the eastern United States. It is the only rattlesnake in most of the crowded northeastern states, and it is one of the most northerly venomous snakes in North America.1

Hidup di

Eastern United States, from southern Minnesota and southern New Hampshire south to East Texas and North Florida. Extinct in Canada.1

Amerika Utara

Laman utama

It lives in deciduous forests in rugged terrain, as well as lowland cane thickets, swamp edges, river floodplains, hardwood and pine forests, mountains and rural farmland. In winter it shelters in dens and limestone crevices, and in summer pregnant females favour open, rocky ledges.1

Panjang

91 cm hingga 1.9 m (3 ft hingga 6.2 ft)1

Berat

500 g hingga 4.5 kg (1.1 lb hingga 9.9 lb)1

Kelajuan maksimum

kira-kira 3.8 km/j (2.4 mph)

Di darat, anggaran kasar

Apa yang ia makan?

It eats mainly small mammals such as mice, rats, squirrels and rabbits, and sometimes small birds and frogs. It waits in ambush, often on fallen logs, then strikes and follows its prey until it can eat it.1

Gambar Timber rattlesnake — Timber rattlesnake. Gambar: Peter Paplanus from St. Louis, Missouri. CC BY 2.0, Wikimedia Commons.

Cara mengenalinya

Dark brown or black crossbands on a yellowish-brown or greyish background1
The crossbands have irregular zig-zag edges and may be V- or M-shaped1
A rust-coloured stripe often runs down the middle of the back1
The tail is black and looks 'velvety'1
Melanism (very dark colouring) is common, and some individuals are almost solid black1

Kuasa bisa

Gigitan

Bisa keluar melalui taring atau giginya apabila ia menggigit.

Apa kesan bisanya?

Its venom is extremely potent and can be haemorrhagic (damaging blood vessels and causing bleeding) or neurotoxic (attacking the nerves), depending on the population and location. Its long fangs, large size and high venom yield make it potentially one of North America's most dangerous snakes. Venom-induced incapacitation can progress rapidly.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: Sangat berbahayaIa boleh membunuh orang yang tidak mendapat rawatan.

It is potentially one of North America's most dangerous snakes, but it is usually shy and calm. It will retreat if it can and attacks mainly when cornered. Over many years in western Pennsylvania, one naturalist heard of only one death from its bite. Bites are widespread in some areas of Iowa's forests. Its remote, wooded habitat can make emergency medical care difficult or even impossible.1

Apa yang ia buat apabila takut?

It rattles and feints a good deal before striking, and it will try to retreat first if it feels threatened.1

Jika ia menggigit

Pastikan orang itu tidak bergerak dan tenang, letakkan anggota yang digigit pada paras jantung, tanggalkan cincin dan barang yang ketat, dan pergi ke hospital dengan segera.

Sentiasa hubungi nombor kecemasan dahulu (112, 000, 911). Ini panduan pertolongan cemas umum, bukan nasihat perubatan. Asas pertolongan cemas

Kekal selamat

Jangan sesekali sentuh, tangkap atau usik haiwan liar, walaupun yang kecil, dan walaupun ia nampak tidur atau mati.
Beri ia ruang. Jika kamu terjumpa, bertenang, undur perlahan-lahan dan biarkan ia pergi.
Jika ia menggigit kamu: bertenang, jangan bergerak, hubungi nombor kecemasan (112, 000, 911) atau pergi ke hospital dengan segera. Ingat rupanya, gambar boleh membantu.

Ia bukan mahu memburu kamu. Ia guna bisanya untuk menangkap makanan atau melindungi diri, dan ia lebih suka bersembunyi. Lagi tentang keselamatan

Di mana di dunia?

Afrika Asia Eropah Amerika Utara Amerika Selatan Australia & Oceania

Berapa besar ia?

Berapa panjang ia?

Berapa berat ia?

seberat 1 ekor kucing rumah

sepanjang 4 ekor kucing rumah dari hidung ke ekorsepanjang 11 biji pisang disusun hujung ke hujunglebih kurang seberat kucing rumahboleh melepasi 100 meter dalam 95 saat (manusia paling laju perlukan 9.6)

Berapa besar Timber rattlesnake berbanding KAMU?

Hanya matematik dalam pelayar kamu. Tiada apa yang disimpan atau dihantar ke mana-mana.

Berapa laju ia?

Kura-kura darat kira-kira 0.3 km/j (0.19 mph)

Timber rattlesnake kira-kira 3.8 km/j (2.4 mph)

Orang berjalan kira-kira 5 km/j (3.1 mph)

berguna untuk diketahui

Fakta

Timber rattlesnakes return to the same winter den each year, and juveniles can track chemical cues to find relatives in it.1

Female timber rattlesnakes bask in the sun on open rocky areas called basking knolls before they give birth.1

They share winter dens with copperheads and rat snakes.1

It is the only rattlesnake in most of the populous Northeastern United States, and one of the most northerly venomous snakes in North America.1

Males often mate farther from the winter dens than females do.1

Pemecah mitos

Mitos: Rattlesnakes attack people as soon as they see them.

Hakikat: Timber rattlesnakes are shy and will try to retreat from danger first. They attack mainly when they are cornered, so leaving them alone keeps people safe.1

Untuk pakar bisa

Nama saintifik: Crotalus horridus
Kumpulan: Ular orok-orok
Keluarga: Viperidae2
Susunan: Squamata
Benua-benua: Amerika Utara
Anak: Females first reproduce at a mean age of 9.6 years and average 7.7 offspring per litter. Most females reproduce only once in their lifetime.1
Keadaannya di alam liar: Extirpated in Canada, as listed under the Canadian Species at Risk Act in May 2001.1
Bahaya kepada manusia: 4 / 5: Sangat berbahaya3

Dari mana fakta datang

Timber rattlesnake (Wikipedia (CC BY-SA 4.0))
Crotalus horridus (iNaturalist): nama dan pengelasan.
Venom Wiki: tahap bahaya, saiz biasa dan anggaran kelajuan adalah penilaian kami sendiri. Lihat cara kami mengiranya: Cara kami menilai bahaya.

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