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Black-tailed rattlesnake

Crotalus molossus

Perlu jumpa doktorJarang membawa maut, tetapi gigitannya perlu dirawat doktor.

Ular orok-orok

GigitanMakan: Daging

Bahaya kepada manusia: SeriusGigitannya perlu dirawat doktor. Kematian sangat jarang berlaku.

The black-tailed rattlesnake is a venomous pit viper that lives in the south-west of the United States and in Mexico. It is known as one of the calmest rattlesnakes, and it relies on camouflage rather than confrontation.1

Hidup di

South-western United States (Arizona, New Mexico, west and central Texas) and Mexico south to Oaxaca, plus some Gulf of California islands1

Amerika Utara

Laman utama

It lives in grasslands, desert areas, and rocky and mountainous areas, as well as high-altitude forests. It has been recorded at elevations up to 2930 m. It is a primarily ground-dwelling species, but it is an able climber and an expert swimmer.1

Panjang

76 cm hingga 1.1 m (2.5 ft hingga 3.5 ft)1

Kelajuan maksimum

kira-kira 3.6 km/j (2.2 mph)

Di darat, anggaran kasar

Apa yang ia makan?

Its main food sources are rodents, other small mammals, birds, and small reptiles such as small lizards.1

Gambar Black-tailed rattlesnake — Black-tailed rattlesnake. Gambar: Caudatejake. CC BY-SA 4.0, Wikimedia Commons.

Cara mengenalinya

Body colour ranges from yellows and olive greens to browns and black.1
The tail scales are entirely black, which gives the species its name.1
Often has a black band that runs across the eyes and down to the corners of the mouth, forming a facial 'mask'.1
Has a rattle made of keratin at the end of the tail.1

Kuasa bisa

Gigitan

Bisa keluar melalui taring atau giginya apabila ia menggigit.

Apa kesan bisanya?

Its venom is primarily hemotoxic, meaning it mainly acts on the blood and surrounding tissue, as with most crotalids (pit vipers). It is only about two-thirds as toxic as western diamondback venom. Because the venom is weaker, the snake has larger venom glands than most rattlesnakes in its region and injects large quantities into prey.1

Berapa bahaya ia kepada manusia?

Bahaya kepada manusia: SeriusGigitannya perlu dirawat doktor. Kematian sangat jarang berlaku.

Bites are fairly rare, because the snake is considered one of the most docile rattlesnakes. The venom is generally not fatal to humans.1

Berita baik: doktor ada ubat (antibisa) atau rawatan untuk ini.1

Apa yang ia buat apabila takut?

It normally tries to slither away when confronted, but it will rattle when cornered, and it relies mostly on camouflage to avoid discovery.1

Jika ia menggigit

CroFab antivenom is often used to treat bites from this snake.1
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?

sepanjang 2 ekor kucing rumah dari hidung ke ekorsepanjang 6 biji pisang disusun hujung ke hujungboleh melepasi 100 meter dalam 100 saat (manusia paling laju perlukan 9.6)

Berapa besar Black-tailed 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)

Black-tailed rattlesnake kira-kira 3.6 km/j (2.2 mph)

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

berguna untuk diketahui

Fakta

Its venom glands are larger than those of most rattlesnakes in its region, which compensates for its weaker venom.1

It is considered one of the most docile rattlesnakes because of its calm demeanour and curious nature.1

In the spring and fall it is mainly active during the day, but in summer it becomes nocturnal to avoid the heat.1

In winter it hibernates in dens made and abandoned by other animals, often sharing them with other snake species.1

Its lifespan averages 15 to 20 years.1

Pemecah mitos

Mitos: The number of segments in a rattle shows how old a rattlesnake is.

Hakikat: Each time the snake sheds its skin, a new segment is added. Snakes can shed several times a year, and the rattle is fragile and can break, so its length is not an accurate guide to age unless the tip (terminal button) is intact.1

Untuk pakar bisa

Nama saintifik: Crotalus molossus
Kumpulan: Ular orok-orok
Keluarga: Viperidae2
Susunan: Squamata
Benua-benua: Amerika Utara
Anak: The female gives birth to live young in the summer. Litters can have as many as 10 to 12 young but usually average four to six.1
Keadaannya di alam liar: Least Concern1
Bahaya kepada manusia: 3 / 5: Serius3

Dari mana fakta datang

Black-tailed rattlesnake (Wikipedia (CC BY-SA 4.0))
Crotalus molossus (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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