Did you know that a hummingbird's heart can beat up to 1,260 times a minute? This is to sustain its rapid and prolonged activity level. Hummingbirds can hear and see better than humans and have little to no sense of smell. They only weigh as little as a penny or as much as 10 pennies, considering that a penny weighs only 2.5 grams. Hummingbirds on average are 8.5 centimeters in length, making them the tiniest birds in the world. Their hearts weigh 2.5% of their total body weight; the brain represents 4.2%. They are very smart birds- they can recognize all the flowers they have travelled to and how long each flower refills with nectar! Hummingbirds have to constantly lap up flower nectar; if not, they can die from starvation, due to its high metabolic requirements (Their core body temperature is properly maintained from 105-109 degrees Fahrenheit!). They can live on average for 5 years but can exceed 10 years on few occasions. The oldest recorded history of the hummin...
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