Hummingbirds are the high-performance athletes of the avian world. With heart rates topping 1,200 beats per minute, they are biological machines that require constant fueling. But according to a new ...

Add Yahoo as a preferred source to see more of our stories on Google. Hummingbirds consume a lot of alcohol from nectar – but there may be a mechanism to stop them getting drunk - Tim Zurowski/Getty ...

Hummingbirds, for example, drink between 50% and 150% of their body weight in nectar each day. Based on these feeding habits, the researchers estimate that an Anna's hummingbird (Calypte anna), ...