Causes and symptoms. Fatigue may be the result of one or more environmental causes such as inadequate rest, improper diet, work and home stressors, or poor physical conditioning, or one symptom of a chronic medical condition or disease process in the body.
1 A hummingbird will use its tongue to lap up nectar from flowers and feeders. 2  A hummingbird's tongue is grooved like the shape of a W. 3  Hummingbirds have tiny hairs on the tip of the tongue to help lap up nectar.
Making Hummingbird Nectar. 1  1. Make a rich sugar solution to attract hummingbirds to your yard. 2  2. Mix a solution of 1 part white, granulated sugar and 4 parts warm water. 3  3. Boil the sugar water for 1 to 2 minutes.  4. Do not add any dye to the 1  food. 5. Store the hummingbird food until you are ready to use 2  it. 6. Pick the right feeder.