Back Start Next Changing Seasons, Changing Habitats The rubythroats' two habitats are marked with an X on this model of the seasons. As winter ends, more sunlight shines on the Northern Hemisphere. The sunlight warms the air and soil. Insects hatch and flowers bloom. Hummingbird food becomes plentiful. Image credit: Nebraska Astronomy Applet Project     Copyright 1997-2011 Journey North. All Rights Reserved. Questions or comments? Contact us.