The speed of the bee's wings produces a 'hum' which falls within the range of our hearing. The crow's wings do produce a 'note' but it's too low for our ears to detect. Human hearing range falls roughly between 20 Hz and 20,000 Hz,
The first group to try to fly like birds were the ancient Greeks who collected real bird feathers and glued them to a surface. Leonardo da Vinchi created a mechanical winged contraption known as a ornithopter to attempt to fly. Now, Jarno Smeets says he has succeeded with a homemade device.
No. Both are birds and their wings are a derived trait common to all birds. The wings of penguins and bats display convergent evolution.
FLY with no wings like a superhero SUPERSMART with not a big head FLY with no wings like a superhero SUPERSMART with not a big head FLY with no wings like a superhero SUPERSMART with not a big head
buffalo
Air foil.
It is flapping wings.
When an insect flies, the size of its wings and the speed of their flapping affect the sound they make.
It is flapping wings.
Um, a flapping sound?
that sound comes from them flapping their wings rapidly
that would be the wings, like all flying insects that make a buzzing sound.
Because it didn't know the words? They don't hum. Their wings are making the humming sound. The hummingbirds chirp.
The high speed flapping of their wings makes a vibration sound that is the 'buzz' that you can hear.
From the sound its wings make from flapping so fast. It sounds like they are humming.
Horse Flies fly by flapping there wings, like every other living flier.
a butterfly flies by flapping its wings but some butterflies do not fly like other butter flies do. Some butterflies flies like other birds
It makes a flapping noise when the turkey flies a little bit.