These erratic fliers hold special spiritual significance for many, and those drawn in by them have learned to hold still with ...

Ruby-throated hummingbirds fly non-stop across the Gulf of Mexico to reach the best breeding grounds first. The 600-mile journey takes 15-20 hours, and the birds double their body weight to prepare ...

Hummingbirds fly so quickly (and beat their wings so fast) that they need an exceptionally efficient supply of oxygen-rich blood to keep them going. But don't go thinking that such a high heart rate ...