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American Toad

(Anaxyrus americanus)


Category: Amphibians



The American toad is a commonly occurring species throughout the Eastern United States and Canada and they can live almost anywhere, from forest to grassland. One of their interesting adaptations is that the tadpoles have been shown to have mutualistic relationship with Chlorogonium alga, developing more rapidly in its presence than without it. Also, in addition to seeking safety in numbers, their tadpoles produce a toxin to discourage predation.

Learn more about the American Toad at Wikipedia and Reptiles Magazine.


Data & Facts

Scientific Classification
Kingdom - Animalia
Phylum - Chordata
Class - Amphibia
Order - Anura
Family - Bufonidae
Genus - Anaxyrus
Species - A. americanus

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Interesting Animal Facts

Caecilians: The Limbless Enigma

Caecilians are amphibians with long, limbless bodies that resemble worms or snakes more than frogs or salamanders. Their name means “blind ones,” a reference to their tiny, skin-covered (or in some cases, non-existent) eyes - which probably don’t get much use, as they spend most their lives burrowing underground. Caecilians are unusual for amphibians in that 75% of them give birth to live young, oftentimes, fully formed. There are also a few species where the mother actually grows a layer of nutritious, fatty skin that is eaten off by her own young, which is analogous to breastfeeding in mammals.

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