Common Toad
Encyclopedia
The common toad or European toad is an amphibian
widespread throughout Europe
, with the exception of Iceland
, Ireland
and some Mediterranean islands. It's easterly range extends to Irkutsk
in Siberia and it's southerly range includes parts of northwestern Africa
in the northern mountains of Morocco
, Algeria
, and Tunisia
.
. This is enough to deter many predators although grass snake
s and hedgehog
s are immune. Although the adults spend most of their time on land the females enter ponds and other still waters to lay their eggs, toadspawn, which can be distinguished from the spawn of the common frog as it forms strings rather than a large mass of eggs
. Eggs are laid in the spring, with the females attempting to return to the water in which they were born. The young tadpole
s resemble other tadpoles in their appearance except that toadpoles have a larger, rounder blacker head and shorter tail.
s and some small flies. Adult common toads eat invertebrate
s such as insect
s, insect larva
e, spider
s, slug
s and worm
s, which they catch on their sticky tongues. Larger toads may also take small reptiles and rodents, which are swallowed alive.
Amphibian
Amphibians , are a class of vertebrate animals including animals such as toads, frogs, caecilians, and salamanders. They are characterized as non-amniote ectothermic tetrapods...
widespread throughout Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
, with the exception of Iceland
Iceland
Iceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...
, Ireland
Ireland
Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...
and some Mediterranean islands. It's easterly range extends to Irkutsk
Irkutsk
Irkutsk is a city and the administrative center of Irkutsk Oblast, Russia, one of the largest cities in Siberia. Population: .-History:In 1652, Ivan Pokhabov built a zimovye near the site of Irkutsk for gold trading and for the collection of fur taxes from the Buryats. In 1661, Yakov Pokhabov...
in Siberia and it's southerly range includes parts of northwestern Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
in the northern mountains of Morocco
Morocco
Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...
, Algeria
Algeria
Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...
, and Tunisia
Tunisia
Tunisia , officially the Tunisian RepublicThe long name of Tunisia in other languages used in the country is: , is the northernmost country in Africa. It is a Maghreb country and is bordered by Algeria to the west, Libya to the southeast, and the Mediterranean Sea to the north and east. Its area...
.
Description
Adults males usually grow to 8 cm and adult females around 13 cm and their skin has a warty appearance and ranges from green to brown. They weigh about 20 to 80 grams.Behaviour and reproduction
Toads generally hunt at night, and are most active in wet weather. As a defense against predators they secrete a toxic, foul tasting substance called bufaginBufagin
Bufagins are a class of toxic steroids found as components of bufotoxin. They can be obtained from toad's milk, which refers to secretions from the Cane Toad , when it is injured, scared or provoked....
. This is enough to deter many predators although grass snake
Grass Snake
The grass snake , sometimes called the ringed snake or water snake is a European non-venomous snake. It is often found near water and feeds almost exclusively on amphibians.-Etymology:...
s and hedgehog
Hedgehog
A hedgehog is any of the spiny mammals of the subfamily Erinaceinae and the order Erinaceomorpha. There are 17 species of hedgehog in five genera, found through parts of Europe, Asia, Africa, and New Zealand . There are no hedgehogs native to Australia, and no living species native to the Americas...
s are immune. Although the adults spend most of their time on land the females enter ponds and other still waters to lay their eggs, toadspawn, which can be distinguished from the spawn of the common frog as it forms strings rather than a large mass of eggs
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...
. Eggs are laid in the spring, with the females attempting to return to the water in which they were born. The young tadpole
Tadpole
A tadpole or polliwog is the wholly aquatic larval stage in the life cycle of an amphibian, particularly that of a frog or toad.- Appellation :...
s resemble other tadpoles in their appearance except that toadpoles have a larger, rounder blacker head and shorter tail.
Diet
Young common toads atea antAnt
Ants are social insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from wasp-like ancestors in the mid-Cretaceous period between 110 and 130 million years ago and diversified after the rise of flowering plants. More than...
s and some small flies. Adult common toads eat invertebrate
Invertebrate
An invertebrate is an animal without a backbone. The group includes 97% of all animal species – all animals except those in the chordate subphylum Vertebrata .Invertebrates form a paraphyletic group...
s such as insect
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...
s, insect larva
Larva
A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle...
e, spider
Spider
Spiders are air-breathing arthropods that have eight legs, and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms...
s, slug
Slug
Slug is a common name that is normally applied to any gastropod mollusc that lacks a shell, has a very reduced shell, or has a small internal shell...
s and worm
Worm
The term worm refers to an obsolete taxon used by Carolus Linnaeus and Jean-Baptiste Lamarck for all non-arthropod invertebrate animals, and stems from the Old English word wyrm. Currently it is used to describe many different distantly-related animals that typically have a long cylindrical...
s, which they catch on their sticky tongues. Larger toads may also take small reptiles and rodents, which are swallowed alive.
Cultural significance
- Toads have a long association with European witchcraftEuropean witchcraftEuropean Witchcraft is witchcraft and magic that is practised primarily in the locality of Europe.-Antiquity:Instances of persecution of witchcraft are documented from Classical Antiquity, paralleling evidence from the Ancient Near East and the Old Testament.In Ancient Greece, for example, Theoris,...
, as familiarsFamiliar animalA familiar animal, in folklore, is an animal believed to be possessed of magic powers such as the ability to change its shape. It may be a temporary form assumed by a spirit, devil or trickster god....
and ingredients in potions.
- In GermanyGermanyGermany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
, Great BritainGreat BritainGreat Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...
, Northern ItalyNorthern ItalyNorthern Italy is a wide cultural, historical and geographical definition, without any administrative usage, used to indicate the northern part of the Italian state, also referred as Settentrione or Alta Italia...
and PolandPolandPoland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...
many toads are killed on the roads while migrating to their breeding grounds; in some places special tunnels have been constructed so they can cross under roads and local wildlife groups run toad patrols carrying them across busy crossing points in buckets.
- Mr. ToadMr. ToadMr. Toad, Esq., of Toad Hall, is one of the main characters in the novel The Wind in the Willows by Kenneth Grahame and also the title character of the A. A. Milne play Toad of Toad Hall based on the book.-Character:...
, Esq. of Toad Hall, an anthropomorhpic toad, is one of the main characters in the novel The Wind in the WillowsThe Wind in the WillowsThe Wind in the Willows is a classic of children's literature by Kenneth Grahame, first published in 1908. Alternately slow moving and fast paced, it focuses on four anthropomorphised animal characters in a pastoral version of England...
by Kenneth GrahameKenneth GrahameKenneth Grahame was a Scottish writer, most famous for The Wind in the Willows , one of the classics of children's literature. He also wrote The Reluctant Dragon; both books were later adapted into Disney films....
.