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Emotional pain is the pain experienced in the absence of physical trauma, e.g. the pain experienced after the loss of a loved one, or the break-up of a relationship. It has been argued that only primates can feel "emotional pain", because they are the only animals that have a neocortex – a part of the brain's cortex considered to be the ...
A frog's ear drum works in very much the same way as does a human eardrum. It is a membrane that is stretched across a ring of cartilage like a snare drum that vibrates. Crossing the middle ear chamber there is an ossicle called the columella that is connected to the tympanum, and another ossicle, the operculum, that connects this to the oval ...
Wood frogs have managed to survive further north than any other North American amphibian which reduces the competition they have to face for food and resources. However, they are a cold-blooded ...
Surface rendering of the head of the frog Atelopus franciscus, with ear parts highlighted. Frogs can hear both in the air and below water. They do not have external ears; the eardrums (tympanic membranes) are directly exposed or may be covered by a layer of skin and are visible as a circular area just behind the eye. The size and distance apart ...
An adult and two young under normal light (left) and UV light (right), showing that fluorescence varies with age Fluorescent patterns on the back of a pumpkin toadlet. B. ephippium is a very small frog with a snout–to–vent length of 12.5–19.7 mm (0.49–0.78 in) in adults, [5] but it is among the largest in its genus together with species like B. darkside, B. garbeanus and B. margaritatus.
The Bornean flat-headed frog (Barbourula kalimantanensis) is a species of frog in the family Bombinatoridae. [2] For many years, it was thought to be the only frog with no lungs . [ 3 ] However, micro CT scanning revealed that, like all other known frog species, the Bornean flat-headed frog has lungs, though they are tiny.
The Guinness Book of World Records lists the frog's body weight at 10 milligrams (0.00035 oz), [13] while measurements of Schindleria brevipinguis show them to weigh less than 2 milligrams (7.1 × 10 −5 oz), with one adult specimen weighing just 0.7 milligrams. [14] The frog lives on land and its life cycle does not include a tadpole stage. [11]
The population of the mountain chicken frog, once abundant in the Caribbean, has dropped by over 99% in 20 years due to a deadly fungal disease.