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Brown tree snake

Boiga irregularis
Davart il num: Its genus, Boiga, is a group of about twenty-five snakes called 'cat-eyed' snakes because they have vertical pupils.1
Fa mo malQuai fa mal, ma i na ta fa nagin donn serius.
Serps cun dents davos MorsasMangia: Charn
Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

The brown tree snake is a slender, night-active snake that climbs well and hunts in trees and on the ground. It lives in coastal northern and eastern Australia, eastern Indonesia, Papua New Guinea and nearby islands. It is famous for harming wildlife on the island of Guam, where it was introduced by accident.1

Viva en
Coastal eastern and northern Australia, eastern Indonesia, Papua New Guinea and islands of northwestern Melanesia. Introduced to Guam.1
Asia, Australia ed Oceania
Pagina iniziala
It lives in forests, grasslands and sparsely forested areas, and is common in places disturbed by people. It hides during the day in palm crowns, hollow logs, rock crevices, caves and the dark corners of thatched houses near the roof. In Darwin, Australia, it is most often met in suburban areas during the wet season from January to March.1
Lunghezza
1 m fin 2 m (3,3 ft fin 6,6 ft)1
Sveltezza maximala
circa 6 km/h (3,7 mph)
Sin terra, stima approximativa
Tge mangia el?
It eats birds, lizards, bats, mice, other small rodents and frogs, as well as many invertebrates and their eggs. It hunts using both sight and chemical cues. Often it wraps its body around its prey like a constrictor to hold it still while it eats.1
Propi!Foto da Brown tree snake
Brown tree snake. Foto: Pavel Kirillov from St.Petersburg, Russia. CC BY-SA 2.0, Wikimedia Commons.

Co renconuscher el

  • Slender body, with a large head compared to its body1
  • Usually brown, but can be yellowish, green or beige1
  • Some individuals have red, saddle-shaped blotches1
  • Vertical pupils, like a cat's eyes1
  • Active at night, and usually found in trees1

Forza dal tissi

Morsas

Il tissi vegn or tras ses dents da tissi u ses dents, cura ch'el morda.

Tge fa ses tissi?

It has two small, grooved fangs at the back of the mouth, so venom flows into the bite slowly rather than being injected in one go. The venom is weakly neurotoxic, meaning it affects the nerves, and may also damage cells locally. Its effects are trivial for adults, and it is mainly used to subdue lizards.1

Quant privlus è el per umans?

Privel per umans: DolurusQuai po far propi mal, ma i n'è bunamain mai grav.

The snake is considered aggressive when threatened but not dangerous to adult humans. Serious medical consequences have been limited to children, who are more affected because of their low body mass. On Guam, it has caused widespread power outages, pet losses and emotional distress to residents.1

Tge fa el, cura ch'el ha tema?

When threatened it is highly aggressive, lunging and striking at the attacker repeatedly.1

Sch'el morda

  • Lava la morsa, tegna la persuna quieta e tschertga agid medicinal. Tschertas spezias (sco il boomslang) pon esser mortalas pir uras pli tard.

Clama adina l'emprim tes numer d'urgenza (112, 000, 911). Quai è in cussegl general d'emprim agid, betg in cussegl medicinal. Basa da l'emprim agid

Resta en segirezza

  • Na tutga, na piglia e na tizza mai in animal selvadi, gnanc in pitschen, ed era sch'el para da durmir u d'esser mort.
  • Dà spazi a l'animal. Sche ti scuntras in, resta calm, va plaun enavos e lascha ir el per sia via.
  • Sch'in tal animal ta morda: resta calm, na ta mova betg, clama tes numer d'urgenza (112, 000, 911) u va spert en in ospital. Ta regorda co ch'el veseva or, ina foto gida.

El n'ha betg quai sin tai. El dovra ses tissi per pigliar nutriment u per sa defender, e sa zuppa bler pli gugent. Dapli davart la segirezza

Nua sin il mund?

AfricaAsiaEuropaAmerica dal NordAmerica dal SidAustralia ed Oceania

Quant grond è el?

Quant lung è el?

Brown tree snake circa 2 m lung (6,6 ft)Il velo d'in creschì circa 1,8 m (5,9 ft)In auto circa 4,5 m (15 ft)
uschè lung sco 4 giats da chasa dal nas fin a la cuauschè lung sco 11 bananas ina suenter l'autrapudess currer 100 meters en 60 secundas (l'uman il pli svelt dovra 9,6)

Quant grond è Brown tree snake cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn memorisà u tramess.

Quant svelt è el?

bun da savair

Fatgs

1

Snakes on Guam have been seen moving up large smooth cylinders using a method called 'lasso locomotion', which had not been recorded in snakes before. It is tiring, so they move slowly and stop often.1

2

On Guam, where prey is plentiful and there are few predators, the snakes have grown to 3 m, much longer than their typical 1 to 2 m in their native range.1

3

Shortly after World War II, the snake reached Guam by accident, probably as a stowaway in ship cargo or in aircraft landing gear. Its numbers then grew to unprecedented levels.1

4

Trained dogs are used on Guam to find and remove snakes before cargo and transport vessels leave the island.1

5

Female brown tree snakes have been seen performing courtship behaviours normally used by males, such as tongue-flicking and head-jerking.1

6

Brown tree snakes can survive for long periods without food.1

Destructur da mits

Mit: The brown tree snake is a deadly snake that is dangerous to adults.

Vardad: It is not considered dangerous to adult humans. Its venom is weak and serious effects have mainly been seen in young children.1

Per experts da tissi

Num scientific
Boiga irregularis
Gruppa
Serps cun dents davos
Famiglia
Colubridae2
Urden
Squamata
Continents
Asia, Australia ed Oceania
Poppins
The female lays 4 to 12 oblong eggs with leathery shells and may lay up to two clutches a year. The eggs hatch about 90 days later.1
Privel per umans
2 / 5: Dolurus3

Da nua che vegnan ils fatgs

  1. Brown tree snake (Wikipedia (CC BY-SA 4.0))
  2. Boiga irregularis (iNaturalist): nums e classificaziun.
  3. Venom Wiki: il stgalim da privel, la grondezza tipica e la stima da la sveltezza èn noss agens. Guarda co che nus als calculain: Co che nus valitain il privel.

Mintga fatg sin questa pagina ha in numer che renvia a sia funtauna. Sche nus avain fatg in sbagl, perstgisa, nus essan fans d'animals, betg ina revista scientifica. Scriva a nus a [email protected] e nus curregin.

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