American toad
The American toad is a common toad found across the eastern half of Canada and the United States. It lives in forests, grasslands and gardens, and it breeds in shallow ponds and pools. It matters because it eats many insects and other small creatures, and its skin releases a substance that can irritate eyes and harm small animals such as dogs.1

Como recoñecelo
- Adults are usually 5 to 9 cm long.1
- Skin colour varies from yellow to brown to black, and can be solid or speckled. It changes with habitat colours, humidity, stress and temperature.1
- Spots on the back contain only one or two warts, and the lower legs have enlarged warts.1
- The parotoid glands are the same colour as the surrounding skin.1
- Breeding males give a high trill lasting 6 to 30 seconds that sounds like a ringing telephone.1
Adoita confundirse con: Fowler's toad, Woodhouse's toad, the Canadian toad, the southern toad and the Gulf Coast toad can look similar. Fowler's toad never has a spotted belly, and its cranial crests touch the parotoid glands. The American toad's crests almost never touch the glands. The Canadian toad's crests join to form a raised bump, which the American toad's do not. The southern toad's crests form two distinct knobs.1
Poder do veleno
A súa pel é velenosa. É perigoso tocalo, lambelo ou comelo.
Que fai o seu veleno?
The American toad does not inject venom. Its parotoid glands secrete bufotoxin, a poisonous substance that makes the toad unpalatable to predators. It is a mild poison compared with other poisonous toads and frogs, but it can irritate human eyes and mucous membranes and is dangerous to smaller animals such as dogs when swallowed.1
Que perigoso é para as persoas?
Perigo para as persoas: LeveComa unha picadura de abella ou menos. Practicamente inofensivo para as persoas.Bufotoxin is a mild poison. It can irritate human eyes and mucous membranes, and it is dangerous to smaller animals, such as dogs, if they swallow it.1
Que fai cando ten medo?
When threatened, the toad releases bufotoxin from its parotoid glands, which makes it unpleasant to eat.1
Se alguén o tocou ou o comeu
- Se alguén tocou un: lava ben as mans e non toques os ollos nin a boca. Se un neno ou unha mascota lambeu ou comeu un: chama ao centro de toxicoloxía ou ao teu número de emerxencias.
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 o tocaches ou o comiches: non esfregues os ollos nin a boca, lava as mans e busca axuda médica.
Non vai a por ti. O seu veleno só está aí para que ninguén o coma. Máis sobre como estar a salvo
En que lugar do mundo?
Que tamaño ten?
Canto mide?
mide coma 3 pezas de construción de xoguete en fila
podería percorrer 100 metros en 180 segundos (o humano máis rápido precisa 9,6)Que tamaño ten American toad comparado CONTIGO?
Só son contas no teu navegador. Non se garda nin se envía nada a ningures.
Que rápido é?
Datos
Some American toads have lived for over 30 years, and one female was reported to be living healthily into her late 30s.1
Toads avoid mating with their siblings. Males' calls seem to help females recognise their close relatives.1
Toad tadpoles produce toxic chemicals in their skin that discourage some predators. Most fish learn quickly to avoid eating them.1
Their skin colour can change with their surroundings, humidity, stress and temperature.1
Tadpoles swim in very shallow water, often among thick grass, and gather in schools during the day to reduce predation.1
Toadlets often leave the water together in large groups and migrate to shaded forest areas near where they were bred.1
Para expertos en pezoñas
- Nome científico
- Anaxyrus americanus
- Grupo
- Ras velenosas, sapos e tritóns
- Familia
- Bufonidae2
- Orde
- Anura
- Continentes
- América do Norte
- Crías
- Females lay two long ropes containing 2,000 to 20,000 small black eggs, each 1 to 2 mm across, surrounded by jelly. The eggs hatch into tadpoles in 3 to 12 days.1
- Esperanza de vida
- uns 30 anos1
- Perigo para as persoas
- 1 / 5: Leve3
De onde veñen os datos
- American toad (Wikipedia (CC BY-SA 4.0))
- Anaxyrus americanus (iNaturalist): nomes e clasificación.
- 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.
Veleno na pel
