Keep the feeder stocked. Their turbo metabolisms are what keep them warm.
"A hummingbird's heart beats up to 1,260 times per minute.
A Hummingbird's heart beats about 250 times per minute at rest.
A hummingbird's heart is 2.5% of the total body weight.
A hummingbird will take about 250 breaths per minute while at rest.
A hummingbird's metabolism is roughly 100 times that of an elephant.
Hummingbirds have very weak feet and can barely walk. They prefer to fly.
Hummingbirds like to perch.
Hummingbirds spend most of their life perching.
The hummingbird's body temperature is about 107 degrees Fahrenheit (40 degrees Celsius).
A hummingbird wings will beat about 70 times per second.
Hummingbird's wings will beat up to 200 times per second when diving.
Hummingbirds are the only birds that can fly both forward and backwards.
Hummingbirds can also hover in mid-air, fly sideways and even upside-down.
A hummingbird can fly an average of 25-30 miles per hour.
A hummingbird can dive up to 60 miles per hour.
A hummingbird's wings will rotate in a full circle.
Hummingbirds need to eat on average 7 times per hour for about 30-60 seconds.
A hummingbird can eat anywhere from half (1/2) to eight (8) times its body weight a day.
A hummingbird will visit an average of 1,000 flowers per day for nectar.
Hummingbirds eat small soft bugs for protein.
A hummingbird will lap up nectar at a rate of about 13 licks per second."
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