Usually, watchful waiting is an outpatient process and may have a duration of months or years. In contrast, medical observation is usually an inpatient process, often involving frequent or even continuous monitoring and may have a duration of hours or days. 1 Medical uses.
Shearwaters earned their name by their ability to cut - or shear - the water with their wings, although until recently they were known as 'muttonbirds'. This name was given to them by early European settlers, who killed the birds for food and found that their flesh tasted like mutton.
Parrots are often called hookbills, which is an avicultural term based on the shape of the beak or bill. This distinguishes parrots from softbills and other birds, such as doves and finches.The function of the parrot beak is for climbing, as well as manipulating and crushing objects.n other birds, the upper beak is fused to the skull and does not move. Under the keratin covering, the beak has an excellent blood supply and a network of nerve endings, which provide parrots an amazing tactile sensory ability. The most sensitive area is at the tip of the upper beak (Figure 4 in slideshow).