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.
Flowers, perches, insects, and water are the key ingredients to a healthy yard that will attract these amazing jewels. Hummingbirds are specialized for nectar-eating, evident by long bills and grooved tongues ideal for probing flowers. Sugary nectar supplies fast energy and makes up 90 percent of a hummingbird's diet. Unfortunately, due to development and climate change, hummingbird-friendly habitat may be changing across many hummingbird migration routes. You can create a healthy environment for hummingbirds with these steps: 1  Fill your yard with native flowering plants, vines, shrubs, and trees. 2  Grow native plants like trumpet honeysuckle, bee balm, and hummingbird sage, which provide much more nectar than hybrids and exotics.