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.
Answer by Michelle scalese. Confidence votes 157. He noticed that birds called finches had different kinds of beaks in areas with different food sources. He found finches with thick beaks in areas with large hard shelled nuts, and finches with smaller beaks in areas where fruits were available. These differences seemed to match the environment and the diet of the finches.