No, the biggest difference between birds and other animals is that birds have feathers. Every bird has feathers and everything that has feathers is a bird. A Whistling Swan, in winter has the most with about 20,000 individual feathers. And the fewest feathers? That distinction goes to the Ruby-throated Hummingbird with about 940.
how the feathers protect the bird
As far as we know, there is no bird living without feathers.
how the feathers protect the bird
It will not be able to fly with no feathers. Feathers keep a bird warm. If its feathers are gone it will die of cold. Most importantly feathers help a bird to escape from predators.
Down feathers are feathers that lie under a birds body and primary feathers. These feathers are small and puffy, and trap warm air under a bird's feathers.
Another name for bird feathers is down.
They 'pren' their feathers
Feathers that are on the neck of a bird.
Bird bones because feathers are very light and the bones just depend on the type of bird.
we are asking is there not a baby bird with yellow veins in its feathers
A vulture doesn't and I think a Condor also.
if it has feathers