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.
1 Hand-fed birds are susceptible to illnesses that can be transferred to other birds. 2  Young birds lose the ability to forage for food and when not fed by humans may starve. 3  Hand feeding can also affect bird breeding cycles. Young birds lose the ability to forage for food and when not fed by humans may starve. 2  Hand feeding can also affect bird breeding cycles. 3  Hand-fed birds take over-populations of some birds such as crimson rosellas increase, displacing other birds and mammals that shelter in tree hollows.