Answer:
All the red birds in an area
Explanation: population is just the amount of people in an area. For example, Santa Maria has a populaton of 2,000 people. That means there are 2,000 people in Santa Maria
According to the First World War page on the Australian War Memorial website from a population of fewer than five million, 416,809 men enlisted, of which over 60,000 were killed and 156,000 wounded, gassed, or taken prisoner. The latest figure for those killed is given as 62,000.
