The biology family Trochilidae, hummingbirds are 3-5 " in length and weight less than 2 oz. The highest metobolic rate of any bird their wings best at 12-80 per second and can fly at 35 MPH.
The biology family Trochilidae, hummingbirds are 3-5 " in length and weight less than 2 oz. The highest metobolic rate of any bird their wings best at 12-80 per second and can fly at 35 MPH.