Do hummingbirds use cool perches so they can fly in the heat?

Will hummingbirds tolerate high temperatures due to climate change? Many studies look at heat tolerance during...

How do Hovering Hummingbirds Survive Hot Days?

When hummingbirds hover they generate heat that must be lost to avoid overheating. At high temperatures, heat...

Do Hummingbirds Actually Sleep?

When hummingbirds use more energy than they consume, they use deep hypothermia (torpor) at night to lower energy...