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Selected pictures list
Template:POTD/2004-10-04
In the
life cycle of a
frog, a female lays her
eggs in a shallow
pond or creek, where they will be sheltered from the current and from predators. The eggs, known as
frogspawn hatch into
tadpoles. The tadpoles develop gradually into
adolescent froglets and finally the froglet develops into an adult frog.
Template:POTD/2006-05-01
Native to
Australia,
White's Tree Frog grows up to 10 centimetres in length and is a popular household pet. In captivity, they have an average lifespan of 16 years. Its skin secretions contain caerins, a group of
peptides with antibacterial and antiviral properties. Other peptides have been found to destroy
HIV without harming healthy
T-cells.
Template:POTD/2006-06-12
A
frog is an
amphibian characterized by long hind legs, a short body, webbed digits, protruding
eyes and the absence of a
tail. Frogs are most noticeable through their call, which can be widely heard during the
mating season. It is estimated that up to 20% of amphibian species may care for their young in one way or another, and there is a great diversity of parental behaviours. For example, frogs in the
Gastrotheca genus (upper left) carry their eggs in a pouch, and females of the
Eleutherodactylus lineatus species (center left) carry their young on their back.
Template:POTD/2006-08-20
A specimen from the "
hybrid zone" of the
Leaf Green Tree Frog (
Litoria phyllochroa) and the
Southern Leaf Green Tree Frog (
L. nudidigitus), showing physical characteristics of both species. These small stream-dwelling frogs (averaging only 40mm in length), are native to eastern
Australia and occur together south of
Sydney. The two species are differentiated only by distribution, call and slight differences in
flank markings.
Template:POTD/2007-08-07
The
Eastern Banjo Frog (
Limnodynastes dumerilli) is native to eastern
Australia and has been introduced to
New Zealand. The frog is also commonly called the
pobblebonk after its distinctive "bonk" call, which is likened to a
banjo string being plucked. Adults are roughly seven to eight cm long.
Template:POTD/2008-02-13
A terrestrial subadult
Eastern newt or red eft (
Notophthalmus viridescens).
Salamanders of the family
Salamandridae with aquatic adult stages are called
newts. Some newts, including the Eastern newt, have a juvenile terrestrial stage called the eft. The red eft has bright
aposematic coloration to warn
predators of its highly toxic skin.
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Template:POTD/2009-01-29
Photo credit: Carey James Balboa The
Red-eyed Tree Frog (
Agalychnis callidryas) is a small-sized
tree frog, reaching lengths of about 5 to 7 centimeters (3 inches), native to
Neotropical rainforests in
Central America. They are not poisonous and rely on camouflage to protect them. During the day, they remain motionless with their colorful parts hidden. Thus, they appear almost completely green, and well hidden among the foliage.
Template:POTD/2009-03-28
The
American Green Frog (
Rana clamitans) is native to the eastern half of the United States and Canada. Green frogs live wherever there is shallow
freshwater: ponds, road-side ditches, lakes, swamps, streams and brooks. The green frog is abundant wherever it occurs.
Template:POTD/2011-09-20
The
Blue Mountains Tree Frog (
Litoria citropa) is a moderate-sized species of
tree frog, up to about 60 mm (2.4 in) in length. It is native to coastal and highland areas of eastern Australia, especially in the
Blue Mountains, hence its name.
Template:POTD/2011-12-18
The
Eastern American Toad (
Bufo americanus americanus) is a common subspecies of
toad found throughout the eastern United States and Canada. It typically grows to 5–9 cm (2.0–3.5 in), with varying skin color and pattern depending on its environment. Its skin secretes
bufotoxin, which is mildly poisonous to humans.
Template:POTD/2012-01-03
The
Common Indian Toad (
Duttaphrynus melanostictus) is native to
South Asia. It grows to about 20 cm (8 in) long and breeds during
monsoon season. These toads are often seen at night under street lamps especially during times when winged
termites swarm. They have been noted to feed on a wide range of
invertebrates, including
scorpions.
Template:POTD/2012-02-10
A male
Dendropsophus microcephalus frog, displaying its
vocal sac—membranes of skin under the throat or on the corner of the mouth that distend to amplify its call. The species lives in moist areas in most of Central America and northern South America.
Template:POTD/2012-03-31
Template:POTD/2012-06-20
The
common frog (
Rana temporaria) is found throughout much of Europe. Adults have a body length of 6 to 9 cm (2.4 to 3.5 in) and vary in colour, with the ability to
lighten and darken their skin to match their surroundings. They will feed on any
invertebrate of a suitable size and, apart from the breeding season, live solitary lives.
Template:POTD/2012-08-16
Photo: Charles H. Smith, USFWS
Template:POTD/2013-01-04
Template:POTD/2013-06-27
Two
common toads (
Bufo bufo) in
amplexus, a form of
pseudocopulation found in
amphibians and
limulids. A male common toad grasps a female with his front legs as part of the mating process. Common toads stay in amplexus for several days. As the female lays a long, double string of small black
eggs, the male fertilises them with his
sperm; the gelatinous egg strings, which may contain 3000 to 6000 eggs and be 3 to 4.5 metres (10 to 15 ft) in length, are later tangled in plant stalks.
Template:POTD/2013-09-28
The
fire salamander (
Salamandra salamandra) is a European salamander species with a long lifespan. These
nocturnal animals generally eat various insects, spiders, earthworms and slugs, but they also occasionally eat newts and young frogs.
Template:POTD/2013-10-10
Template:POTD/2013-11-10
Photograph: Brian Gratwicke
Template:POTD/2013-11-18
An
Italian tree frog (
Hyla intermedia) with an inflated
vocal sac. Vocal sacs, flexible membranes of skin possessed by most male frogs, are generally used to amplify mating or advertisement calls. However, some species in the family
Rhinodermatidae may also use the sac to store or transport their tadpoles.
Template:POTD/2013-12-19
Template:POTD/2014-10-05
The
marsh frog (
Pelophylax ridibundus) is a species of
true frog and the largest frog native to Europe; females of this
sexually dimorphic species may be up to 17 centimetres (6.7 in) long. The marsh frog feeds mainly on insects, but it also eats smaller amphibians, fish, and rodents.
Template:POTD/2015-02-21
Photograph: Brian Gratwicke
Template:POTD/2015-05-15
The
southern brown tree frog (
Litoria ewingii) is a species of tree frog native to Australia found in a wide range of habitats. Reaching 45 millimetres (1.8 in), this species is generally brown, but green and green-striped
morphs are also recorded.
Template:POTD/2015-07-09
The
edible frog (
Pelophylax kl.
esculentus) is a fertile hybrid of the
pool and
marsh frogs which is commonly found in Europe. The species is commonly used in food, including the French delicacy
frog legs.
Template:POTD/2015-07-25
Template:POTD/2015-09-07
The
Albanian water frog (
Pelophylax shqipericus) is a
species of
true frog in the family
Ranidae. It is native to
Albania and
Montenegro, where it lives in aquatic environments. The frogs are medium-sized. Males sometimes bear a distinctive bright green stripe down the length of the backbone, but otherwise are green to light brown in overall colouring with large black or dark brown spots. Females are olive green or light brown in colour and also bear brown or black large spots. The species is endangered and known populations are currently in decline.
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Template:POTD/2016-04-17
Template:POTD/2016-07-13
The
Epirus water frog (
Pelophylax epeiroticus) is a species of
frog in the family
Ranidae. It is found in western Greece, including
Corfu, and the southern areas of Albania. The species is collected from the wild for human consumption.
Template:POTD/2018-01-05
Photograph: Brian Gratwicke A female
limosa harlequin frog (
Atelopus limosus) in Panama. This endangered species of
toad in the family
Bufonidae inhabits stream banks in tropical moist lowland forests and rivers of the
Chagres watershed. It is found in two colour forms, one in lowlands and one in uplands.
Template:POTD/2019-12-18
Raorchestes parvulus is a small bush frog native to tropical southeastern Asia. Although the reproductive strategy of this species has not been studied, members of the family typically make a foam nest while mating in vegetation overhanging a stream. They create the foam by beating their legs, and the eggs are deposited into the nest and covered with seminal fluid before the foam hardens into a protective casing. When the eggs hatch, the young push their way out of the nest and fall into the water below.
This picture shows a male
R. parvulus frog, photographed in
Phu Kradueng National Park, Thailand, calling by inflating its
vocal sac.
Template:POTD/2020-01-01
Template:POTD/2021-04-30
The
agile frog (
Rana dalmatina) is a species of true frog in the family
Ranidae. Native to central and southern Europe, its brownish dappled colouring helps to conceal it among the
leaf litter on the forest floor. This frog, about 5 cm (2.0 in) long, was photographed in the Golovec Forest in Slovenia.