Wild Birds Unlimited, Surrey, BC

Hummingbirds are only found in North, Central and South America. # There are over 325 species of hummingbirds, making them the second largest bird family in the world, second only to flycatchers. Hummingbirds weigh 1/10th of an ounce; about the weight of a penny. Hummingbirds’ brains are about the size of a BB. Hummingbirds’ hearts are larger proportionally to their body than any other bird or mammal. Hummingbirds have such underdeveloped legs that they are unable to walk well. Hummingbirds' nests are about the size of a golf ball; around 1 ½ inches in diameter. Hummingbirds learn to associate flower colors, like red, with food. They do not have an innate preference for red. Hummingbirds can drink up to twice their body weight in nectar every day (most birds only eat ¼ - ½ their body weight). Hummingbirds can extend their tongue approximately a distance equal to the length of their bill. While lapping up nectar, Hummingbirds can move their tongues in and out of their bill at a rate of up to 12 times a second. Female Hummingbirds’ tongues are longer than the males. Hummingbirds can fly up to 60 miles per hour, but typically fly at 30-45 miles per hour. Hummingbirds can hover and are the only birds able to fly backwards and upside down. Their wings beat 20-80 times per second. During the night, Ruby-throated Hummingbirds can enter into a state of torpor to save energy. Similar to a type of short-term hibernation, torpor reduces their metabolic activity and drops their heart rate from 1, 200 beats per minute to 50 beats per minute.

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