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Eastern massasauga

Sistrurus catenatus

Tentang nama: "Massasauga" comes from the Ojibwe language and probably means "great river-mouth", likely describing the grasslands around river deltas.1

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 eastern massasauga is a small rattlesnake that lives in eastern North America, mainly around the Great Lakes. It is the only venomous snake in Ontario, Canada. It is shy and keeps away from people, but it is a protected species because its numbers have fallen sharply.1

Hidup di

Southern Ontario, Canada, and eastern parts of the Midwestern United States, including the Great Lakes region1

Amerika Utara

Laman utama

It is most often found near wetlands such as swamps, marshes, bogs, fens, wet meadows and floodplains. It may also live in meadows, prairies and coniferous forests, and often uses crayfish burrows. In summer it may move to drier habitats.1

Panjang

60 cm hingga 75 cm (2 ft hingga 2.5 ft)1

Kelajuan maksimum

kira-kira 3.4 km/j (2.1 mph)

Di darat, anggaran kasar

Apa yang ia makan?

It eats small vertebrates, mainly rodents such as voles, white-footed mice, jumping mice and shrews. Juveniles mostly eat reptiles, usually lizards in western populations and snakes in eastern ones. Frogs are also an important food in some northern and eastern populations.1

Gambar Eastern massasauga — Eastern massasauga. Gambar: Willem Span. CC BY 4.0, iNaturalist.

Cara mengenalinya

Ground colour is grey or tan.1
A row of large, rounded brown or black blotches runs down the centre of the back.1
Three smaller rows of alternating spots run down each side.1
Solid black individuals also occur.1
Like all rattlesnakes, it has heat-sensing pits on each side of its head, between the eye and the nostril.1

Kuasa bisa

Gigitan

Bisa keluar melalui taring atau giginya apabila ia menggigit.

Apa kesan bisanya?

Its venom is cytotoxic, which means it destroys tissue. It also contains digestive enzymes that disrupt blood flow and stop blood from clotting. In its prey, these effects cause severe internal bleeding.1

Berapa bahaya ia kepada manusia?

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

The snake is shy and avoids humans when it can. Most bites in Ontario happened after people handled it or accidentally stepped on it. Only two deaths from its bites have been recorded in Ontario, and in both cases the victims did not receive proper treatment.1

Apa yang ia buat apabila takut?

It is shy and tends to withdraw from people rather than confront them.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?

sepanjang 4 biji pisang disusun hujung ke hujungboleh melepasi 100 meter dalam 110 saat (manusia paling laju perlukan 9.6)

Berapa besar Eastern massasauga 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)

Eastern massasauga kira-kira 3.4 km/j (2.1 mph)

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

berguna untuk diketahui

Fakta

It is a pit viper, a family that includes all rattlesnakes, and it is the only venomous snake in Ontario.1

Mothers and newborns stay together for a few days, until the young shed their skin for the first time.1

Females often do not breed every year, usually having a two-year breeding cycle.1

Its populations have declined so much that it has disappeared from many of its former areas, and now survives mainly in small, isolated groups.1

Untuk pakar bisa

Nama saintifik: Sistrurus catenatus
Kumpulan: Ular orok-orok
Keluarga: Viperidae2
Susunan: Squamata
Benua-benua: Amerika Utara
Anak: It gives birth to live young (it is ovoviviparous), usually in August or September. Litters of 5 to 14 have been reported in Illinois and 6 to 19 in Wisconsin, and the newborns are 18.8 to 24.4 cm long from snout to vent.1
Keadaannya di alam liar: Threatened in Canada under federal and Ontario law; listed as endangered in several US states; IUCN Red List: least concern (2007, with a note that the assessment needs updating)1
Bahaya kepada manusia: 3 / 5: Serius3

Dari mana fakta datang

Eastern massasauga (Wikipedia (CC BY-SA 4.0))
Sistrurus catenatus (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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