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.
Water Birds Pictures. 1  Interior Least Tern - an adult interior least tern with a caught fish in its beak flies over, seen from left under clear blue sky. 2  Pelican 1 - a large California Brown Pelican in flight, seen from front and below. 3  Blue-winged Teals - two blue-winged teals swim in a deep blue pond, seen from right.