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hollow bones and feathers help
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoGenerally, wings of some kind.
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What 3 three characteristics distinguish birds from other animals?
Birds-------------------------mammalsfeathers--------------------furEggs-----------------------live youngdoesnt produce milk------produces milk
What is the difference between birds that fly and birds that don't fly?
There is no such thing as a dinosaur that flys. The difference between a pteradoctyl and a bird is: Birds have feathers and pteradoctyl's don't. The difference between a oviraptor and a bird is: Oviraptor have hands and birds have wings.
What is the difference between fish and birds?
Birds fly, fish swim
What are the characteristic of birds?
The characteristics that qualify birds are:warm blooded (endothermic)vertebrates (they have a backbone and an internal skeleton)breathe using lungs (not gills)an outer covering of feathers - this feature is not shared with any other vertebrate groupreproduce by laying eggsOther features which are characteristics of birds, but not used to set them apart from other vertebrate groups, include:All birds have wings, but not all birds fly: generally, there is reduction of skeletal weightBirds have beaks or bills, and do not have teethBirds have two legsBirds have a cloaca, a cavity into which the intestinal, urinary, and genital canals emptyBirds have nucleated red blood cells, unlike mammalsBirds have a chambered hearthave 2 wings feathers beak and lay eggsThe characteristics that qualify birds are: warm blooded (endothermic)vertebratesbreathe using lungs (not gills)reproduce by laying eggs
4 characteristics of birds?
1. they fly 2. most have feathers 3. they are vertebrates 4. they come in different shape,sizes and colour hope this helped
What thee characteristics of birds help them fly?
birds have strong chest muscles and lightweight bones, which enables them to fly. Their feathers, too, are lightweight, which helps them fly. During flight the birds feathers compress, giving it a more streamlined shape which helps it fly faster. Flight takes up a lot of energy, and birds must eat up to 30% of their body weight each day.
What is the sternum of a bird?
Birds have there forelimbs modified into wings to fly. The chest muscles has to be very much stronger in birds to enable them to fly. To bear the force of flying, the sternum in birds has be relatively large as compared to human being.
Bats are flying animals but are not birds.Why?
Bats are not birds because they are mammals as they have the characteristics of a mammal. They have these characteristics which enable them to be classified as mammals. They are warm blooded, and they have fur.
What are the characteristics of flightless birds?
Flightless birds have a small keel and wings.
What characteristics of living thing best explain why birds fly south for the winter?
reproduce
Give the uses of common bird structures?
Birds have wings which help them fly. They have claws that enable them grasp branches firmly. Their beaks enable them to pick up food with ease.
What special designs do birds have that enable them to fly?
Birds have hollow bones, and that makes them light enough for their wings to lift them off the ground. Also they have wings and lots of feathers, and they are shaped to give the bird lift so it can fly.
What characteristics do you think enable a plant or anaimal to survive the breakup of a continent?
Wings to fly and survive. Or gills to survive underwater.
Why only birds fly?
It is not only birds that fly. Bats fly and they are not birds.
Why ducks classified as birds?
Ducks fly, lay eggs, have feathers, molt, migrate - all of which are bird characteristics.
What are are three adaptations that enable birds to fly?
Hollow bones, curved wings to make them aerodynamic and light feathers to make them almost weightless.
How are penguins birds if they can't fly?
Just because penguins, ostriches, emus and kiwis don't fly doesn't automatically make them not birds. They still have the same characteristics that make them birds like all other birds have: a beak, feathers, porous bones, etc. The ability to fly is not part of the definition of what makes a bird.
