Basically, the mood is the feeling perceived when reading a story and to describe, the setting and language used is taken into consideration because all together creates an atmosphere. Therefore, the mood of this passage is <u>mystery</u>, because of the dark setting described and the vocabulary used.
Answer:
"I took from my waistcoat-pocket a pen-knife, opened it, grasped the poor beast by the throat, and deliberately cut one of its eyes from the socket!"
When the season changes to winter animals are faced with decreased food resources, extreme cold weather conditions and, fewer water sources due to most rivers/lakes being frozen.