The Oregon spotted frog (Rana pretiosa) is a member of the true frog family, Ranidae. It is native to Canada and the United States specifically Oregon and Washington. The females of the species reach sizes of 3.9 inches while males an inch less. The frogs are red, reddish brown, or brown. Juveniles can be olive green in color.
The Oregon Spotted frog has lost up to 95% of its natural habitat. Invasive species, such as the Bullfrog, Green frog, bass, and Canary grass, have lead to the decrease in its population. Canary grass changes the habitat to an unsuitable one for the frogs. Bass, Bullfrog, and Green frog feed on the Oregon Spotted Frog.
Currently, the Oregon Spotted frog is not a protected species by the United States but luckily organizations have stepped up to save the frog.
Rio de Janeiro’s Smooth Horned Frog (Proceratophrys boiei) is a member of the family Leptodactylidae. It is native to Brazil. Females reach sizes of almost 3 inches long while males are smaller.
Corrugated Water Frog (Lankanectes corrugatus) is a member of the family Nyctibatrachidae, referred to as the robust frogs. It is native to Sri Lanka.
The female grows grow much larger than males, reaching up to almost 3 inches while males only reach 1.2 inches long.
Sonoran Green Toad (Bufo retiformis) is a member of the true toad family. It is native to Mexico and Arizona in the United States.
The toad is green in color with yellow blotches. The males have grayish blackk vocal sacs. The female reach sizes of 1.9 inches long and males are smaller. The tadpoles are yellow in color.
Dendropsophus microcephalus is a tree frog of the family Hylidae. They are native to Belize, Brazil, Colombia, Costa Rica, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Suriname, Trinidad and Tobago, and Venezuela.
Females have been recorded reaching lengths of 1.2 inches long. The species undergoes color changes. During the night, its light yellow with brown or tan markings while during the day, it can be tan-yellow or light brown with brown and red markings. Males capable of breeding have yellow vocal sacs. The males gather in choruses with over a thousand individuals to call to females during mating season.
Mountain Yellow-Legged frog (Rana muscosa) is a member of the true frog family, Ranidae. It is endemic to California and Nevada. The frog has recently been broken into two species, the other being Rana sierrae, which is native to the Sierra Mountain range.
The Mountain-Yellow Legged Frog reaches to about 3 and a half inches long. Its color ranges from yellow, reddish brown, and olive.
The frogs are facing extinction from two main threats, predation from invasive species and disease. In the late 1800’s, trout were introduced in the Mountain-Yellow Legged frog region to increase recreational fishing. In experiments, when the trout where removed from lakes, the frog species came back.
Bd (chytrid fungus) is another factor in the population lose. You can read more about the fungus in a previous post.
Majorcan Midwife Toad (Alytes muletensis) is a toad of the family Alytidae, the painted frog and midwife toad family. Alytes is the midwife toad genus. It is native to Spain.
Females reach the size of 1.4 inches long while males are shorter. During the mating season, the females compete for the males, including fights. Once mating happens, the males carries the eggs around their legs until they hatch.
Giant Barred Frog (Mixophyes iteratus) is a species of barred frogs. It is a member of the family Myobatrachidae, the Australian ground frogs. Since the Giant Barred frog is an Australian ground frog, its from Australia, imagine that.
The giant in its name comes from the size it reaches, almost 5 inches, making it the second largest frog in Australia. It breeds in streams. The frogs have vomerine teeth, which are used to hold in the prey they catch.
Solomon Island palm frog (Palmatorappia solomonis) is the only species in its genus, Palmatorappia (the genus is the first word in its scientific name). Its found in the Solomon Island’s archipelago. It is a member of the family Ceratobatrachidae,
The frogs have no free tadpole stage. It is found in trees and low vegetation in the tropical rain forests on the islands.
Yellow Dyer Rainfrog (Diasporus citrinobapheus) dyes the fingernails of the individual that holds it yellow, which is why it gets the name. It is native to Panama. It is a member of the family Eleutherodactylidae, the direct developing frogs.
The species was only discovered in 2012. Only one female of the species was discovered. The frogs measure only 2 centimeters long and hides in deep vegetation. It comes in orange and yellow colors.