In winter, when the food and water supply stored in their nest is exhausted, some of the ants called workers are sent to find new sources and replenish the colonyâs supplies. The pests feed on: 1  pet food, 2  live and dead insects, 3  and almost anything that people eat.
Where do they live? Ruby-throated hummingbirds are found in North and Central America. They breed throughout the eastern United States, east of the 100th meridian. They also breed in southern Canada where there is eastern and mixed deciduous forest. The species spends winters in southern Mexico, Central America (as far south as Costa Rica), and in the West Indies.
hummingbird migration-ruby-throated. Migration of the ruby-throated hummingbird has been an inspiration and a wonder and a scientific puzzle for years. Shrimp fishermen and workmen on oil rigs reported that they found ruby-throated hummingbirds far out in the Gulf of Mexico (100 and 200 miles) where they did not belong.nother study of ruby-throated hummingbirds has reported that when they gain 2 grams of fat, they have enough fuel to cross 600 miles of water without tailwinds. 8 So they eat in excess and wait for cold fronts to carry them on their way.