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.
POWDER DOWN BIRDS. by Carol Highfill. Anyone who has spent time around birds is very aware of the feathers, feather particles and feather dust which will be found around the area. But there are some species of parrots which produce an additional feather dander called powder. These birds - often known as the Powder Down Birds - are Cockatoos, Cockatiels and African Greys.