Birds use the four forces of flight kind of like an airplane does. Lift pulls them up and weight pulls them down. Thrust pulls them up and drag pulls them down.
To stabilize their flight.
No, they are birds and birds have beaks.
yes,the medieval people use birds to send messages.
Its all they have to use in the wild.
Birds use sound in a number of ways, but mainly for three purposes: - To announce their presence, by which to proclaim territory - To attract mates - To warn others of danger Good birdwatchers can identify birds by sound, and understand what the birds are "saying" to one another.
To stabilize their flight.
Burrowing owls are affected by the four forces of flight like any other bird. (Lift, weight, thrust, and drag are the forces) Lift pulls you up, weight pulls you down, thrust pulls you forward, and drag pulls you back.
Mostly for flight.
The birds quickly took flight.
They use two unbalanced forces to balance themselves out
Heracles shook a rattle that Athena gave him to get the birds to take flight and then shot as many of them as he could.
hot-air balloons and birds in flight.
It is used mostly for flight- like a rudder on a boat. It is also used for balance, and, in mating season, some male birds use it for display.
F-16 Fighting Falcon
These birds are insect eaters, and in common with other carnivorous birds that seek food on the wing, they use their fan of tail feathers to provide braking of flight in order to change direction quickly.
Their wings cause they use it to fly by flapping it
Most birds use their wings for flight. Some of the flightless birds, or birds which do not fly much, may use their wings just for balance, especially when perching (e.g. chickens). For some flightless birds such as the kiwi, their wings appear to be without purpose.