Introduction Agalychnis callidryas is a species of tree frogs found in the tropical rainforests of

The importance of El Valle De Anton spurred the movement to create systems to preserve frogs worldwide. In Panama a town name El Valle De Anton once deeply respected their golden tree frogs, and ironically they were not disturb when the frogs started disappearing. When the corpses started to pile up, the scientific community began to become concerned and began an effort to preserve the golden frog species and what they found was that frogs from around the world had been plagued by Batrachochytrium dendrobatidis-batrachos (or “Bd” for short). This plague is very hard to stop, as we cannot purge the entire planet of the disease, and the plague spreads incredibly quickly.

Researchers are currently trying to gain knowledge on the extent of the problem; how the parasite works, what species can be infected, and once infected, what species experience the least amount of symptoms. They believe that by infecting native tree frogs with this parasite, they may be able to increase the amount of parasites while decreasing the amount of toads. L.Pizzatto and R. Shine (2011) had three assumptions. “(1) The parasite has no detrimental effect on the frogs; (2) the frogs are capable of maintaining a lungworm infection long term; and (3) infective larvae passed in the frog’s faeces are capable of infecting toads and reducing their viability.” (p.546)

Which amphibian has red eyes, yellow feet, and looks like a leaf? Red Eyed Tree Frogs of course! Because Frogs are amphibians, they spend most of their time in water or wet places. Interestingly, Female will lay their eggs in water, when these eggs hatch they become tadpoles. These baby frogs have many stages such as, developing back legs, growing front legs, becoming a juvenile frog, and finally losing its tail and becoming an adult. Red Eyed Tree Frogs Wake up at dusk and go on the prowl for insects and fruit, which are its main diet. Also, when red eyed tree frogs sleep, they curl their feet and shut their eyes, they look exactly like a leaf, this helps from camouflage from predators. These loveable leaping

The Northern Correboree Frog is an endangered species that is restricted to montane, subalpine woodlands, grassland and heathland 1,000 metres above sea level. The estimated amount of Northern Correboree Frogs is 1000-5000. One of the reasons why the Northern Correboree Frog is endangered is because of climate change. Climate change affects the Northern Correboree Frog because it was predicted that its population would decrease in winter and spring precipitation because, this would make one of the popular breeding habitats (edges of bog pools) very saturated and dry, which makes it hard for the frogs to breed.

Overall for this change project, we have learned that the population of frogs has been decreasing all over the world. There are many factors that decrease their population like agriculture, invasive species, and the population of humans. Specifically, in California, only 40% of the historical sites in the Northwest area have Foothill Yellow-Legged Frogs, and this has the highest percentage out of all of California. These frogs are indicators for the environment, meaning they can determine if the area around them has changed dramatically due to their permeable skin. For our service project, we removed invasive plants like the Himalayan Blackberries and dug creek beds for the frogs. From this, we were able to improve the levelness of the area

The mountain yellow-legged frog is declining due to the introduction of trout, contaminants, increased levels of ultraviolet radiation, and the fungal disease, chytridiomycosis. David Bradford, one of the first witnesses to the decline in the late seventies, noticed the species dropping because of the red-leg disease. Because this is a secondary infection, the frog’s immune system was weakened before the disease became existent. The chytrid fungus was first cited in the Sierra Nevada in 2001, brought here from African clawed frogs, but studies have suggested that the disease has been evident since the mid-‘70s. Nearly three decades later, the mountain yellow-legged frog is still declining. Currently, with a ninety-eight percent decline, there

Chapter One details the ancestry of frogs and examines the timeline of amphibians on Earth, as well as the increase in frog extinction rate. Kolbert argues that the observed extinction rates which are exceeding expected background extinction rates suggest that catastrophe is ahead for Earth. Humans are key to the extinction of Panamanian frogs due to their spreading of the Chtrid fungus, which is not native to Panama. Thus, Kolbert sees humans

Many sources say that the initial spread of this invasive species began at the end of the 1800's when bullfrogs were shipped to California to fill hungry loggers appetite for frog legs. The frogs competed with the other native species with the supply of natural resources while also consuming and exploiting the native amphibian species as well. Worldwide Rana catesbeiana has driven over one-hundred native species of frogs to extinction (Save The Frogs! et al. 2013). This is a huge impact on amphibian wildlife worldwide because there are about 4,800 species of frogs. Over the past hundred years the bullfrog has wiped out over 2% of the world's species of frogs. Studies have shown one of the reasons bullfrogs will cripple Arizonian ecosystems and the native amphibian species directly is because a female bullfrog’s physiology

The issue I will be raising is one that might not be familiar to all who reside in California and that is primarily focused around the fragmentation and overall mutilation of areas that keep and protect the species Rana Draytonii, otherwise known as the California Red-legged Frog. One of the reasons I raise this issue, is because most importantly “these frogs were named the official state amphibian of California via AB 2364” (Patrick McGreevy.). An even greater reason to discuss this dilemma is because they are limited in their size around the Southernmost California residences, whereas they had previously occupied approximately “70% of its former habitat” according to environmentalists (Campbell.). My goal is to highlight their ecological value to the state and how the California red-legged frog’s value is more significant than the fragmentation and intrusion taking place. These red-legged frogs are currently listed as endangered, but they are vulnerable to human intrusion by means of erecting buildings, projects for road construction, introduction of a non-native species along with habitat fragmentation in areas near where they might usually reside such as near the south Mendocino County and along southern California with populations extending to the Santa Rosa Plateau (Hammerson, Geoffrey). The California red-legged frog has an intrinsic link to

The study was done by Yale University and compared the proportions of frog sexes between 21 suburban ponds and isolated ponds in southwestern Connecticut. Its findings were published in the latest issue of the journal Proceedings of the National Academy of Sciences.

The chest cartilage of toads is different also. Toads tend to lay eggs in long chains. There are only two native toads in Michigan, which are The Eastern American Toad and The Fowler's Toad, they are mostly the same ,but different in shape and color. The Eastern toad is mostly brownish skin is very warty. Short, but large and muscular hind legs allow it to move more easily through woodlands and backyards. Throat and belly white speckled with black. Found common statewide. The Eastern American Toad is similar to The American Toad, but throat and belly is usually plain colored and has more warts, three or more in each dark spot on the back. Two to thirtytwo inches long. Found in western and southern Lower Peninsula. Many of toads and frogs population has dropped over time and the reason behind this is the Amphibian Decline. Many species have lost most of their population for many reasons like climate change, small changes in temperature and moisture,changes in global weather pattern and many trees getting cut down. People could change that in many ways, by keeping the place clean, keeping factories away from nature, less cutting trees and treating nature in a better way possible.

The Azuay stub foot toad, native to South America and thought to be extinct, was recently found to be extant in Ecuadorian Mountain Forests. The species, which was once predicted to be abundant, was thought to have been extinguished mainly in part by the chytid fungus, a fungus which is decreasing the population of many other amphibian species as well. According to the information provided by the article, the Azuay is not the first to be re-found after thought extinction. Scientists are still unsure about the species’ survival however, in which conservation methods will be needed.

The Yellow Tongued Duckweed Frog evolved from its most common ancestor, the Green Frog. The Green frog is a species of frog native to the eastern half of the United States and Canada. Both of these frog species belong to the Animalia Kingdom. The Yellow tongued Duckweed Frog is a mid-sized frog just like the Green Frog, however its legs are longer. Both of these species are highly aquatic, but also spend a small amount of time out of the water. Green Frogs prefer to live in ponds and shallow water with little trees and plants, however the Yellow Tongued Duckweed Frog lives in swamps with plentiful vegetation.

The frogs may seem like a unpleasant creature to have around. The myth about it spreading warts, or bad weather does not help its case. This is no reason to disregard the creature, especially since it plays a crucial role in the food chain. Frogs play a big part in controlling insect populations as well as being a step in the trophic levels between insects and things like fish and birds. Not only that, but they also are used in experiments that have won nobel prizes and looked to further medicines for the benefit of humans. These frogs have helped you in more ways than you know. Sadly, the cascades frog, which is native to areas of western America, is becoming threatened and close to endangered from all the change in habitat and weather. The

Frogs, toads, caecilians, and salamanders are the members of the class Amphibian (amphi- meaning “on both sides” and bios- meaning “life”). These members always require water for reproduction. Most Amphibians undergo metamorphosis, which is a usually degenerative pathological change in the structure of a particular body tissue. And, in the case of Amphibians, it is the changing of a tadpole into