UNDERSTANDING BIRDS

Now BIRDS AROSE FROM early feathered reptiles by becoming warm-blooded and gaining the power of flight. Today they are the most mobile of animals . Although  some never stray far from home others cross oceans and continents.Birds have adapted to all of Earth's habitats,even the extremes of the hot desert and polar ice..( Around 3,000 to 4,500 years ago,the ancestor of today's chicken, the jungle fowl, wasdomesticated.en.wikipedia.org/wiki/Bird

THE ORIGINS OF BIRDS

The first birds appeared more that 140 millon years ago , during the Jurassic period. Knowledge of Birds early history has grown rapidly with the recent discovery of vast beds of fossil birds and feathered dinosaurs in deposits in northeast China and central Asia.

INNER WORKINGS

Every part of a flying bird's body from its heart and lungs to its lightweight skull and hollow,light bones is perfectly adapted to make fight possible .

UNDERSTANDING BIRDS  PART 2

FEATHERS

Feathers protect a bird from heat , cold and water, provide color for display or camouflage for protection , and are the main tool in enabling birds to fly.

HOW BIRDS FLY.

Birds are undoubtedly rulers of the skies. They fly to find food , escape from predators or migrate long distances. No other cresture can fly as high , or as fast or as far.

THE FASTEST BIRD

The world's fastest human sprinter boasts a top speed of about 27 miles per hour (43.5km/h) which is slow compared with the peregrine falcon, the fastest bird. A peregrine  falcon 's typical cruising speed  is about 40 miles per hour ( 64km /h), but it can get to 70 miles per hour, it dive speed may exceed 200miles per.

BILLS

Birds use their bills for obtaining and manipulating food.They are usually dull-colored, although some birds have brightly colored bills , although some birds have brightly colored bills that they use in courtship display.

BIRD BEHAVIOR .

All the Birds Have fundamentally  similar anatomical and physiological  features. However, they display a range of nesting,reproductive and social behaviors. Most are monogamous but courting habits vary. Some prefer a solitray life: other flock together in the large groups.Nests vary from a scrape in the dirt to complex structures.