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.
A molluscivorous bird feeds on mollusks such as snails, slugs or oysters. Many shorebirds are molluscivores and will forage at low tide for clams and oysters. Other molluscivorous birds forage in tidal flats or swamps. Limpkins are mollusk specialists, and many other wading birds and corvids also eat mollusks.