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American toad

Anaxyrus americanus

KaltegabeaKaltegabea pertsonentzat. Ez dago kezkatzeko ezer.

Igel toxikoak, apoak eta uhandreak

Pozoia azaleanJaten du: IntsektuakToxikoa, ez pozoitsua

Arriskua pertsonentzat: ArinaErle-ziztada bat bezala edo gutxiago. Ia kaltegabea pertsonentzat.

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

Toxikoa ala pozoitsua? Animalia pozoitsuek pozoia sartzen dute kosk edo ziztada baten bidez. Animalia toxikoak kaltegarriak dira ukitzeko edo jateko. Hau toxikoa da.

Non bizi den

Eastern half of Canada and the United States1

Ipar Amerika

Hasiera

American toads need a semi-permanent freshwater pond or pool with shallow water for breeding, and dense patches of vegetation for cover and hunting. They can live almost anywhere with these features, from forests to flat grassland. They often shelter in burrows, under boards, flat stones, logs, woodpiles and window wells.1

Luzera

5 cm eta 11 cm artean (2 in eta 4,4 in artean)1

Abiadura handiena

2 km/h inguru (1,2 mph)

Lehorrean, kalkulu gutxi gorabeherakoa

Zer jaten du?

American toads eat crickets, mealworms, earthworms, ants, spiders, slugs, centipedes, moths and other small invertebrates. They are most active at night, and become active during the day after rain.1

Argazkia: American toad — American toad. Argazkia: unknown. CC0, iNaturalist.

Nola ezagutu

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

Askotan honekin nahasten da: 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

Pozoi-indarra

Pozoia azalean

Bere azala toxikoa da. Arriskutsua da ukitzea, miazkatzea edo jatea.

Zer egiten du bere toxinak?

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

Zein arriskutsua da pertsonentzat?

Arriskua pertsonentzat: ArinaErle-ziztada bat bezala edo gutxiago. Ia kaltegabea pertsonentzat.

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

Zer egiten du beldurtzen denean?

When threatened, the toad releases bufotoxin from its parotoid glands, which makes it unpleasant to eat.1

Norbaitek ukitu edo jan badu

Norbaitek bat ukitu badu: garbitu eskuak ondo eta ez ukitu begiak edo ahoa. Haur edo maskota batek bat miazkatu edo jan badu: deitu zure intoxikazio-zentrora edo larrialdi-zenbakira.

Deitu beti lehenik zure larrialdi-zenbakira (112, 000, 911). Lehen sorospenei buruzko orientabide orokorra da hau, ez mediku-aholkua. Lehen sorospenen oinarriak

Egon seguru

Ez ukitu, ez harrapatu eta ez zirikatu inoiz animalia basati bat, txikia izan arren, eta lo edo hilda dagoela badirudi ere.
Utzi tartea. Bat aurkitzen baduzu, egon lasai, egin atzera poliki eta utzi bere bidetik joaten.
Ukitu edo jan baduzu: ez igurtzi begiak edo ahoa, garbitu eskuak eta lortu mediku-laguntza.

Ez dabil zure atzetik. Pozoia ezerk jan ez dezan baino ez du. Seguru egoteari buruz gehiago

Munduko zein tokitan?

Afrika Asia Europa Ipar Amerika Hego Amerika Australia eta Ozeania

Zein handia da?

Zein luzea da?

3 eraikuntza-bloke ilaran jarrita bezain luzea100 metro 180 segundotan egin litzake (gizakirik azkarrenak 9,6 behar ditu)

Zein handia da American toad ZUREKIN alderatuta?

Matematika hutsa zure nabigatzailean. Ez da ezer gordetzen, ezta inora bidaltzen ere.

Zein azkarra da?

Dortoka bat 0,3 km/h inguru (0,19 mph)

American toad 2 km/h inguru (1,2 mph)

Oinez doan pertsona bat 5 km/h inguru (3,1 mph)

jakin beharrekoa

Datuak

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

Pozoi-adituentzat

Izen zientifikoa: Anaxyrus americanus
Taldea: Igel toxikoak, apoak eta uhandreak
Familia: Bufonidae2
Ordena: Anura
Kontinenteak: Ipar Amerika
Kumeak: 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
Bizi-iraupena: 30 urte inguru1
Arriskua pertsonentzat: 1 / 5: Arina3

Datuak nondik datozen

American toad (Wikipedia (CC BY-SA 4.0))
Anaxyrus americanus (iNaturalist): izenak eta sailkapena.
Venom Wiki: arrisku-maila, ohiko tamaina eta abiadura-kalkulua geureak dira. Ikusi nola kalkulatzen ditugun: Nola baloratzen dugun arriskua.

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