Why do ants die when the queen dies? Why do exoskeletons shed? Why do rainforests have high biodiversity? Why are plants autotrophs? Why are ginkgo trees classified as non-flowering seed-bearing plants? Why do birds flutter their wings?
Why do fish swim with whale sharks? Why do birds flutter their wings? Why do dogs howl when they hear sirens? Why are sharks attracted to volcanoes? Why do dogs like rocks? How has laser technology impacted society? Why do dogs like tug of war?
But how do birds know which season to sing in? According to LeBaron, most birds take their cue to sing – and more – from the longer days of spring and summer. A certain amount of day length, which is the number of hours between sunrise and sunset, triggers hormonal changes that be...
The thorax is linked to the base of the wings. When the body of the fly contracts, the connection causes the wing base to flutter in sync. Fast flappers Most flies can flap their wings at speeds of 200 cycles per second. Fruit flies beat their wings once every four milliseconds due to...
Why do dogs bite their nails? Why do ladybugs have different numbers of spots? Why does the sun make you tired? What is the scientific reason for fly-away hair? Why does blood attract sharks? Why do cats bite their tails? Why do birds flutter their wings? Why do parasites kill their ...
The birds also have a genetically based internal clock that allows them to synchronize their behavior – whether preparing for migration or becoming sexually active –with the seasons. The genetic structure of these abilities is not well understood, Åkesson said. Scientists do know, however, that...
Interestingly they also maintain a strange movement, seeming to flutter in the wind like a leaf. This also helps them to look more like a piece of plant matter moving in the breeze, rather than that they are – a hungry, predatory insect. ...
There's no music score, so the natural flutter of wings and the birds' attacks on the unexpecting residents of a small California bay are even more direct. Plus, it's never explained just why the titular creatures go on the defensive. Don't look for answers or hope here; there's just...
Birds in flight, or trees in the wind. The gaze of an animal: a live animal is always more interesting than a dead one, because there’s that invisible flutter behind the stillness of its eyes. Sometimes we call it a spark. And humans too. A beautiful person is a person who is, ...
Why do birds flutter their wings? Why do fiddler crabs wave their claws? Why are sand particles insoluble in water? How do flies communicate? Why do crickets chirp? Why do pitcher plant eat insects? Why do dogs bite? Why does soap produce bubbles?