Final answer:
The subject of Bruegel's 'Hunters in the Snow' is winter landscapes and hunting scenes, showcasing a detailed view of peasant life and labor during the winter months in the Netherlands.
Step-by-step explanation:
The subject of Pieter Bruegel's oil painting 'Hunters in the Snow' is primarily winter landscapes and hunting scenes. This work depicts a vivid winter scene in the Netherlands with a group of hunters returning home with their dogs, showcasing a large foreground and an expansive, detailed background filled with figures engaged in various activities, highlighting the trials of daily labor and hardship during the winter months. The painting reflects Bruegel's mastery of perspective and his focus on scenes of peasant life and the natural environment, making it a celebrated piece in the canon of Northern Renaissance art.