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.
Once you have established your hummingbird garden, a great way to attract the birds to a specific location is to provide a hummingbird feeder. These are not traditional bird feeders but are designed to dispense a sugar-water solution.ummingbirds get nectar from plants, and plants get pollinated by hummingbirds. When the birds feed from flowers, they brush against them, and the pollen sticks to their heads and throats.