1 The largest (heaviest) flying bird today is the Kori Bustard (Ardeotis kori) of Africa, males weigh about 18kg, females about half that. 2  The largest bird ever to fly were the Teratorns (a type of Condor), the largest of which, Argentavis magnificens, had a wingspan of 3 metres, and weighed 120kg.
1 Low blood volume shock (hypovolemic shock). 2  This is one of the most serious, and sometimes life-threatening, complications of dehydration. 3  It occurs when low blood volume causes a drop in blood pressure and a drop in the amount of oxygen in your body. It occurs when low blood volume causes a drop in blood pressure and a drop in the amount of oxygen in your body. 2  Kidney failure. 3  This potentially life-threatening problem occurs when your kidneys are no longer able to remove excess fluids and waste from your blood. 4  Coma and death.
An apparent life-threatening event (ALTE) is defined as an episode that is frightening to the observer and is characterized by some combination of apnea (central or obstructive), color change (cyanotic, pallid, erythematous or plethoric) change in muscle tone (usually diminished), and choking or gagging.