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Male Rana temporaria calling in a garden pond in Jambes, Belgium. The common frog or grass frog (Rana temporaria), also known as the European common frog, European common brown frog, European grass frog, European Holarctic true frog, European pond frog or European brown frog, is a semi-aquatic amphibian of the family Ranidae, found throughout much of Europe as far north as Scandinavia and as ...
The axolotl is currently on the International Union for Conservation of Nature's annual Red List of threatened species. Non-native fish, such as African tilapia and Asian carp, have also recently been introduced to the waters. These new fish have been eating the axolotls' young, as well as their primary source of food. [23]
The "true" tree frogs belong to the family Hylidae, but members of other frog families have independently adopted an arboreal habit, a case of convergent evolution. These include the glass frogs (Centrolenidae), the bush frogs (Hyperoliidae), some of the narrow-mouthed frogs (Microhylidae), and the shrub frogs (Rhacophoridae). [ 111 ]
Paedophryne amauensis, also known as the New Guinea Amau frog, is a species of microhylid frog endemic to eastern Papua New Guinea. [ 2 ] [ 4 ] At 7.7 mm (0.30 in) in snout-to-vent length , it was once considered the world's smallest known vertebrate .
The average life expectancy of these frogs is five years, but they have been known to live longer than 20 years, [4] and they can grow to 1" to 1.5" long. African dwarf frogs can be mistaken for and are often sold as young African clawed frogs, of the genus Xenopus, which are larger and more aggressive than the dwarf. [citation needed]
Bullfrog stomachs have been found to contain rodents, small lizards and snakes, other frogs and toads, other amphibians, crayfish, other crustaceans, [47] small birds, scorpions, tarantulas and bats, [48] [49] as well as the many types of invertebrates, such as snails, worms and insects, which are the usual food of ranid frogs. [50]
It belongs to a lineage believed to have given rise to the three living branches of amphibians - frogs, salamanders and limbless caecilians. Creature named for Kermit the Frog offers clues on ...
Only animals from the classes of the Chordata phylum are included. [1] On average, captive animals (especially mammals) live longer than wild animals. This may be due to the fact that zoos can provide refuge against diseases, competition with others of the same species and predators if animals in there are treated well. Most notably, animals ...