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The golden toad of Monteverde, Costa Rica, was among the first casualties of amphibian declines.Formerly abundant, it was last seen in 1989. Since the 1980s, decreases in amphibian populations, including population decline and localized mass extinctions, have been observed in locations all over the world.
Officials say the crawfish frog likely was at the site during that period, as well, and remained in place until the mid to late 1980s, when they "vanished suddenly and mysteriously, possibly ...
Frog populations have declined significantly since the 1950s. More than one third of species are considered to be threatened with extinction and over 120 are believed to have become extinct since the 1980s. The number of malformations among frogs is on the rise and an emerging fungal disease, chytridiomycosis, has spread around the world.
The belly of the frog is a cream color, and the tips of the frog's hands are a bright yellow. It has a large, wide head with an oval body and a rounded snout. It has short limbs, and has large eyes that face forward. The Highland frog's eyes have diamond-shaped pupils. The female frogs are slightly larger than the male frogs.
The following list is incomplete by necessity, since the majority of extinctions are thought to be undocumented, and for many others there isn't a definitive, widely accepted last, or most recent record. According to the species-area theory, the present rate of extinction may be up to 140,000 species per year. [1]
New Jersey has 16 species of frogs and toads, 13 of which can and have been sighted in North Jersey.
A Cuban tree frog explored in Lake Worth, Florida in 2010. According to the University of Florida, the frogs are an invasive species.
Allobates mcdiarmidi; Llanos rocket frog (Allobates ranoides); Osgood's Ethiopian toad (Altiphrynoides osgoodi); Collins' poison frog (Andinobates abditus); Green poison frog (Andinobates viridis)