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Debuxo de Lichtenstein's green racer
N.º 0580 de 1 402

Lichtenstein's green racer

Philodryas olfersii
Sobre o nome: The specific name, olfersii, honours the German naturalist Ignaz von Olfers.1
Precisa un médicoRaramente mortal, pero unha mordedura precisa un médico.
Serpes con cairos traseiros MordeCome: Carne
Perigo para as persoas: GraveUnha mordedura precisa un médico. As mortes son moi raras.

Lichtenstein's green racer is a long, green snake with a rear-fanged bite. It lives in parts of southern South America, including northern Argentina, Brazil, Bolivia and northwestern Paraguay. It is venomous, and its bite can cause serious harm, so it is worth knowing what it looks like.1

Vive en
Northern Argentina, Brazil, Bolivia and northwestern Paraguay in southern South America1
América do Sur
Inicio
It lives in many habitat types, including the Cerrado, Caatinga, forest, forest transition and restinga. It has been found from sea level up to 1,700 m (5,600 ft). It is often arboreal, meaning it spends much of its time in trees, but it also hunts on the ground.1
Lonxitude
1 m a 1,5 m (3,3 ft a 4,9 ft)1
Velocidade máxima
uns 5,5 km/h (3,4 mph)
En terra, estimación aproximada
Que come?
It eats small rodents, lizards, amphibians and birds, especially nestlings. It will also eat other snakes, including some almost as large as itself.1
De verdade!Foto de Lichtenstein's green racer
Lichtenstein's green racer. Foto: unknown. CC0, iNaturalist.

Como recoñecelo

  • Green on the upper body1
  • Yellowish on the underside1
  • Smooth scales, with no pits, arranged in 19 rows at midbody1
  • Reaches 1 to 1.5 m (about 40 to 60 inches) in total length, including the tail1
  • Active during the day, though it has been seen mating late in the evening1

Poder da pezoña

Morde

A pezoña sae polos seus cairos ou dentes cando morde.

Que fai a súa pezoña?

Its venom is highly haemorrhagic, which means it causes bleeding, and it also breaks down fibrinogen, a protein needed for clotting. It also contains neurotoxic components that affect the nerves, and it is myotoxic, meaning it damages muscle. Common symptoms are pain, swelling, redness and bruising, and bruising can spread far from the bite, even up the arm or to the chest and abdomen.1

Que perigoso é para as persoas?

Perigo para as persoas: GraveUnha mordedura precisa un médico. As mortes son moi raras.

Accidents are generally not serious, because the snake has difficulty injecting venom and produces only small amounts. However, there have been reports of serious bites needing medical treatment. In one recent severe case, the snake was allowed to bite for a long time, and the victim developed clotting problems, liver damage and severe swelling. Only one death has been reported, and it was a child.1

Se morde

  • Serious bites need medical treatment. The antivenom made for Bothrops snakes is not suitable for bites from this snake.1
  • Lava a mordedura, mantén a persoa tranquila e busca axuda médica. Algunhas especies (como a boomslang) poden ser mortais horas despois.

Chama sempre primeiro ao teu número de emerxencias (112, 000, 911). Isto son consellos xerais de primeiros auxilios, non consello médico. Primeiros auxilios básicos

Mantente a salvo

  • Nunca toques, collas nin molestes un animal salvaxe, aínda que sexa pequeno e aínda que pareza durmido ou morto.
  • Déixalle espazo. Se atopas un, mantén a calma, recúa amodo e déixao ir polo seu camiño.
  • Se un te morde: mantén a calma, non te movas, chama ao teu número de emerxencias (112, 000, 911) ou vai rápido a un hospital. Lembra como era, unha foto axuda.

Non vai a por ti. Usa a súa pezoña para cazar comida ou para defenderse, e prefire con moito agocharse. Máis sobre como estar a salvo

En que lugar do mundo?

ÁfricaAsiaEuropaAmérica do NorteAmérica do SurAustralia e Oceanía

Que tamaño ten?

Canto mide?

Lichtenstein's green racer mide uns 1,5 m (4,9 ft)Un can uns 1 m (3,3 ft)Un adulto uns 1,7 m (5,6 ft)
mide coma 3 gatos domésticos do fociño á colamide coma 8 bananas postas en filapodería percorrer 100 metros en 65 segundos (o humano máis rápido precisa 9,6)

Que tamaño ten Lichtenstein's green racer comparado CONTIGO?

Só son contas no teu navegador. Non se garda nin se envía nada a ningures.

Que rápido é?

paga a pena sabelo

Datos

1

In laboratory mice, its venom had a lethality equivalent to that of Bothrops asper, a pit viper.1

2

It is rear-fanged, so its fangs are at the back of the mouth, and it chews venom into its prey through a grooved tooth.1

3

The venom is made in the Duvernoy's gland at the back of the mouth, and the snake must work hard to deliver it.1

Desmontamitos

Mito: Bites from this snake are never serious.

Verdade: Most accidents are not serious, because the snake struggles to inject venom. Still, serious bites have happened, and one child has died, so any bite needs medical attention.1

Para expertos en pezoñas

Nome científico
Philodryas olfersii
Grupo
Serpes con cairos traseiros
Familia
Colubridae2
Orde
Squamata
Continentes
América do Sur
Crías
It lays eggs. Each egg is about 5 cm (about 2 inches) long, and a clutch contains 4 to 11 eggs, with larger females laying more.1
Perigo para as persoas
3 / 5: Grave3

De onde veñen os datos

  1. Philodryas olfersii (Wikipedia (CC BY-SA 4.0))
  2. Philodryas olfersii (iNaturalist): nomes e clasificación.
  3. Venom Wiki: o nivel de perigo, o tamaño típico e a velocidade estimada son nosos. Mira como os calculamos: Como valoramos o perigo.

Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos animais, non unha revista científica. Dínolo en [email protected] e arranxarémolo.

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