Digestion a thin-walled expanded portion of the alimentary tract used for the storage of food prior to digestion. In some birds it is an expanded, muscular pouch near the gullet or throat. In adult doves and pigeons, the crop can produce crop milk to feed newly hatched birds. Certain insects may have a crop or enlarged esophagus. Herbivores have evolved cecums (or an abomasum in the case of ruminants). Ruminants have a fore-stomach with four chambers. These are the rumen, reticulum, omasum, and abomasum. In the first two chambers, the rumen and the reticulum, the food is mixed with saliva and
Organisation for the Preservation of Birds and their Habitat Nevertheless, many bird species are endemic to Indonesia, about 17% of all the bird species that exist in the world, live in this archipelago. Often, birds like parrots are illegally caught from the wild at a large scale, and sold as pet. Other bird species are captured for consumption. Many people even shoot birds that fly around urban areas, just for fun. Conservation Program. Burung Indonesia works to conserve important species of birds and their habitats through active involvement of local communities, government institutions, the private sector and other stakeholders. To be more focused on the conservation program, the organization