Flesh fly, from the family Sarcophagidae «blowing a bubble». One explanation for this behaviour is that it concentrates the fly’fly yoga wikipedia meal by the process of evaporation.

The diet of the flesh fly is very high in water content. The fly regurgitates the liquid portion of the food, holds it while evaporation reduces the water content and the fly then swallows a much more concentrated meal without the water content. Regurgitation is the expulsion of material from the pharynx, or esophagus, usually characterized by the presence of undigested food or blood. Regurgitation is used by a number of species to feed their young. This is typically in circumstances where the young are at a fixed location and a parent must forage or hunt for food, especially under circumstances where the carriage of small prey would be subject to robbing by other predators or the whole prey is larger than can be carried to a den or nest. It is in most animals a normal and voluntary process unlike the complex vomiting reflex in response to toxins.

Honey is produced by a process of regurgitation by honey bees, which is stored in the beehive as a primary food source. In humans it can be voluntary or involuntary, the latter being due to a small number of disorders. Regurgitation of a person’s meals following ingestion is known as rumination syndrome, an uncommon and often misdiagnosed motility disorder that affects eating. 4-month old infants spitting up more than once per day. Some people are able to regurgitate without using any external stimulation or drug, by means of muscle control. Practitioners of yoga have also been known to do this. Professional regurgitators perfect the ability to such a degree as to be able to exploit it as entertainment.

Such birds often employ a regurgitative feeding strategy. All of the Suliformes employ a regurgitative strategy to feed their young. Some birds, such as fulmars, employ regurgitation as a defense when threatened. Regurgitation is a normal physiological process for ruminants for digesting their food during their idle time.

It increases digestibility by reducing particle size. Small Animal Internal Medicine, 4th ed. Social Roles in Infanticidal Brood Reduction». For the texts classified as Tantras, see Tantras. Hinduism and Buddhism that co-developed most likely about the middle of the 1st millennium AD. Starting in the early centuries of common era, newly revealed Tantras centering on Vishnu, Shiva or Shakti emerged.