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.
One of the most prominent bird adaptations is their feathers. These  help them to fly and protect them from the weather. Birds have  specialized beaks according to their foo â¦ d source.irds have many adaptations. Water birds produce an oil that coats  their feathers and keeps them dry. Penguins adapt to their  environment through keeping extra layers of f â¦ at.