Amazing Facts 21

rats have more bones than men parrot can see backwards without turning its head HUMMING BIRD - (RUBY-THROATED) -------------------------------- MASS: About 3-4g (a nickel weighs about 5g). LENGTH: About 8.5cm (3.5") from tip of bill to tip of tail WING BEATS: About 60-80 times per second in normal flight, up to 200 times per second in courtship dives SPEED: Normal flight about 25mph; up to 65kph (40mph) in a courtship dive HEARTBEATS: About 250 times per minute while at rest, about 1,220 per minute while flying BREATHING: About 250 breaths per minute while at rest BODY TEMPERATURE: 40.5 degrees C (105-108 degrees F) FEATHERS: A typical Hum-bird has 940 feathers. FEED RATE: Eats about its weight in nectar or sugar water each day. AVERAGE AGE: Most hummingbirds die within their first year; those that don't probably live an average of 3 years or so