Because it was too loud or because it didn’t have space
It was about <span>While traveling with his father, young Alec becomes fascinated by a mysterious Arabian stallion that is brought on board and stabled in the ship he is sailing on. When the ship tragically sinks both he and the horse survive only to be stranded on a deserted island. </span>
In this short story, Dorris Lessing describes a fifteen year old boy who goes hunting every morning. One day the boy notices a buck that is wounded. It was about to die. This scene continues in the story with the following sentences: "It came into his mind that he should shoot it and end its pain; and he raised the gun. Then he lowered it again."
A school of anchovies or a gaggle of geese or even a pod of orca whales would be a population. A population refers to all members of the same species.