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Alcatrazes lancehead

Bothrops alcatraz

Gbasara aha ya: Named after the Alcatrazes Islands, where it is found.1

Ọ chọrọ dọkịtaỌ naghị egbukarị egbu, mana ịta ya chọrọ dọkịta.

Pit viper

ỊtaNri ya: Anụ

Ihe ize ndụ nye mmadụ: Ọ dị njọỊta ya chọrọ dọkịta. Ọnwụ anaghị adịkarị ma ọlị.

The Alcatrazes lancehead is a small pit viper, a venomous snake that senses heat with pits on its face. It lives only on Ilha Alcatrazes, a small island off the coast of southeastern Brazil. It is special because its island home has shaped it over thousands of years into a snake that stays small.1

Ebe obibi

Ilha Alcatrazes, one of four islands in the Alcatrazes Archipelago, about 35 km off the coast of São Paulo, southeastern Brazil1

Ndịda Amerika

Ụlọ

It lives in low Atlantic Forest vegetation on Ilha Alcatrazes, an island of only 1.35 km². The highest point on the island is 266 metres above sea level.1

Ogologo

50 cm (1.7 ft)1

Ọsọ kacha elu

ihe dị ka 3.3 km/h (2.1 mph)

N'elu ala, nchepụta

Gịnị ka ọ na-eri?

It eats small lizards, centipedes and amphibians. Its main food was rodents, but once it was isolated on the island it began eating cockroaches and centipedes as well.1

Foto Alcatrazes lancehead — Alcatrazes lancehead. Foto: Douglas Bete. CC BY 4.0, iNaturalist.

Otú ị ga-esi mata ya

A small pit viper, reaching a maximum length of about 46 cm in males and 50 cm in females.1
Relatively large eyes for its body size.1
Found only on the Alcatrazes Islands, so it is not expected anywhere else in Brazil.1

A na-agwakọkarị ya na: Its island population was once connected to the mainland, where the common Bothrops still lives. Its small size and large eyes set it apart from these larger relatives.1

Ike nsị

Ịta

Nsị na-esi n'eze nsị ya ma ọ bụ eze ya apụta mgbe ọ na-ata.

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Ọ bụrụ na ọ tara

Mee ka onye ahụ ghara imegharị ahụ, dịkwa jụụ, debe aka ma ọ bụ ụkwụ ahụ ọ tara n'ogo obi, wepụ mgbanaka na ihe ndị kekọrọ ahụ ike, kpọga ya ụlọ ọgwụ ngwa ngwa.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
Ọ bụrụ na otu tara gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

Afrịka Eshia Yurop Ugwu Amerika Ndịda Amerika Ọstrelia na Oshenia

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

dị ogologo dị ka unere 3 a tọgbọrọ n'ahịrịdị ogologo dị ka blọk egwuregwu 16 n'ahịrịnwere ike ịgba ọsọ mita 100 n'ime sekọnd 110 (mmadụ kacha ọsọ chọrọ 9,6)

Kedu otú Alcatrazes lancehead si hà ma e jiri ya tụnyere GỊ?

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Mbe ihe dị ka 0.3 km/h (0.19 mph)

Alcatrazes lancehead ihe dị ka 3.3 km/h (2.1 mph)

Mmadụ na-aga ije ihe dị ka 5 km/h (3.1 mph)

ọ dị mma ịmara

Eziokwu

Over time, isolated snakes shrank in size, a process known as allopatric speciation, because their food supply was less nutritious.1

About 15,000 years ago, rising seas cut the island off from the mainland, and its snakes became isolated.1

The island was once used as a naval target practice area.1

Its small size and relatively large eyes are considered juvenile (paedomorphic) features.1

Maka ndị ọkachamara nsị

Aha sayensị: Bothrops alcatraz
Otu: Pit viper
Ezinụlọ: Viperidae2
Usoro: Squamata
Kọntinent dị iche iche: Ndịda Amerika
Otú ọ na-eme n'ọhịa: Vulnerable (IUCN Red List)1
Ihe ize ndụ nye mmadụ: 3 / 5: Ọ dị njọ3

Ebe eziokwu ndị a si

Bothrops alcatraz (Wikipedia (CC BY-SA 4.0))
Bothrops alcatraz (iNaturalist): aha na nhazi ọkwa.
Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

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