For some glass frogs the skin on the stomach area is transparent.

As a result, some glass frogs show parental care.

The taxonomical classification of the glass frogs has been problematic.

There have been more than 100 reported glass frogs throughout Central and South America.

Most glass frogs are a lime green color.

Centrolene is a genus of glass frogs in the family Centrolenidae.

Glass frogs and rain frogs are also in decline.

Some species are called "giant glass frogs".

Glass frogs have similarities to tree frogs.

Glass frogs are mostly arboreal.

Hylid tree frogs have eyes that face to the side, whilst those of glass frogs face forward.

Centrolenidae - glass frogs (including Allophrynidae)

Cochranella is a genus of glass frogs, characterized by lacking humeral spines in males, and having a lobed liver.

The glass frogs (or glassfrogs) are frogs of the amphibian family Centrolenidae (order Anura).

While the general background coloration of most glass frogs is primarily lime green, the abdominal skin of some members of this family is translucent.

Juvenile and neonates have also been known to feed on small lizards and frogs, particularly glass frogs (observation made by Henderson et al.).

The exquisite glass frogs, small lime-green animals with see-through undersides and large quizzical eyes, were abundant until the late 80's; now they can hardly be found.

Lalique's necklaces of amber glass dragonflies and green glass frogs sparkle with bits of gold and tiny diamonds.

Centrolenidae, or glass frogs, are potentially closely related to hylids; these translucent frogs are native to Central and South America.

In 1973, John D. Lynch and William E. Duellman published a large revision of the glass frogs from Ecuador.

Glass frogs are similar in appearance to some green frogs of the genus Eleutherodactylus and to some tree frogs of the family Hylidae.

Of all the glass frogs in Costa Rica, Fleischmann's glass frogs are the most populous.

Glass frogs (Centrolenidae) of Yanayacu Biological Station, Ecuador, with the description of a new species and comments on centrolenid systematics.

Many species of Boophis have almost translucent skin, allowing bones and internal organs to be observed as in the unrelated glass frogs (Centrolenidae) of the tropical Americas.

With a cool-misting humidifier he bought on eBay and some plastic pipe, Mr. Gagliardo filled the glass frogs' tank with a steady whisper of white water vapor.

This frog, like many Centrolenidae, has a confusing taxonomic history.

Hyalinobatrachium fragile is a species of frog in the Centrolenidae family.

Centrolene is a genus of glass frogs in the family Centrolenidae.

The family Centrolenidae is a clade of anurans.

The taxonomic classification of Centrolenidae was recently modified.

The family Centrolenidae was proposed by Edward H. Taylor in 1951.

Glass frog (or Glassfrogs) is the common name for the frogs of the amphibian family Centrolenidae.

With the reassignment of Centrolenidae to reorganize known paraphyletic taxa, it was moved into its present genus due to the traits noted above.

Phylogenetic systematics of Glassfrogs (Amphibia: Centrolenidae) and their sister taxon Allophryne ruthveni.

Revisión Taxonómica de la Familia Centrolenidae (Amphibia; Anura) en Venezuela.

Una nueva especie de Centrolenella (Anura: Centrolenidae) del Auyán-tepui, Edo.

Centrolene durrellorum: A glassfrog of the family Centrolenidae from the eastern Andean foothills of Ecuador, discovered in 2002 and described in 2005.

Barrett's Glass Frog or Nymphargus pluvialis is a species of frog in the Centrolenidae family, formerly placed in Cochranella.

Parte II: Anuros de las familias Centrolenidae, Dentrobatidae, Leptodactylidae, Microhylidae y Pipidae.

Revision of the characters of Centrolenidae (Amphibia: Anura: Athesphatanura), with comments on its taxonomy and the description of new taxa of glassfrogs.

This is probably still paraphyletic, and since new systematics works on the phylogeny of Centrolenidae are in progress, the generic position of this species is expected to change again in the near future.

It is the only member of the subfamily Allophryninae, a clade recently placed under the family Centrolenidae These frogs live in Guyana, Venezuela, Surinam, Brazil and Bolivia.

The first described species of Centrolenidae was the "giant" Centrolene geckoideum, named by Marcos Jiménez de la Espada in 1872, based on a specimen collected in northeastern Ecuador.

Centrolene papillahallicum from Guyana is a disputed frog species in the family Centrolenidae, Doubts have been expressed about the validity of this taxon and it is sometimes included in C. gorzulai.

In 1991, after a major revision of the species and taxonomic characters, the herpetologists Pedro Ruiz-Carranza and John D. Lynch published a proposal for a taxonomic classification of the Centrolenidae based on cladistic principles and defining monophyletic groups.

Some species of green tree frogs (especially juveniles), such as Hyloscirtus palmeri and Hypsiboas pellucens, have the transparent abdominal skin typical of glass frogs, but they also have calcars on the heels, a character not present in any species of the Centrolenidae.

The Centrolenidae are a diverse family, distributed from southern Mexico to Panama, and through the Andes from Venezuela and the island of Tobago to Bolivia, with some species in the Amazon and Orinoco River basins, the Guiana Shield region, southeastern Brazil, and northern Argentina.