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The common toad tends to be sexually dimorphic with the females being browner and the males greyer. [16] The underside is a dirty white speckled with grey and black patches. [15] [17] Other species with which the common toad could be confused include the natterjack toad (Bufo calamita) and the European green toad (Bufo viridis). The former is ...
The American toad (Anaxyrus americanus) [3] is a common species of toad found throughout Canada and the eastern United States.It is divided into three subspecies: the eastern American toad (A. a. americanus), the dwarf American toad (A. a. charlesmithi) and the rare Hudson Bay toad (A. a. copei).
The western toad (Anaxyrus boreas) is a large toad species, between 5.6 and 13 cm (2.2 and 5.1 in) long, native to western North America. [1] [3] [4] A. boreas is frequently encountered during the wet season on roads, or near water at other times.
The southern toad is a medium-sized, plump species with a snout-to-vent length of up to 92 mm (3.6 in) with females being slightly larger than males. The most obvious distinguishing features are the knobs on the head and the backward-pointing spurs that extend as far as the paratoid glands. The dorsal surface is covered with warts, some of ...
The Colorado River toad (Incilius alvarius), also known as the Sonoran Desert toad, is a toad species found in northwestern Mexico and the southwestern United States.It is well known for its ability to exude toxins from glands within its skin that have psychoactive properties.
Toad is a common name for certain frogs, especially of the family Bufonidae, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands. [ 1 ] [ 2 ] In popular culture ( folk taxonomy ), toads are associated with drier, rougher skin and more terrestrial habitats. [ 3 ]
Before the stubfoot toad laid its 20 eggs, the zoo had three females and one male from the species, Hanna said. The zoo got the group about two or three years ago, he said, when they were froglets.
Woodhouse's toad is a robust amphibian and can grow to a maximum snout-vent length of 127 mm (5 in). The head has prominent cranial crests in front of and in between the eyes. The parotoid glands are long and large. The dorsal surface of this toad is grayish-brown or yellowish-brown and it is speckled with small dark spots.