Monday, February 20, 2012

Amazing general facts about Birds

  • About 9000 species of birds are present all over the world 
  • Birds are the Best fliers. 
  • There are about 100 billion birds in the world.
  • The only one group of animals having feathers is birds (Aves). 
  • Feathers of most of the birds are heavier than their bones. 
  • The lifespan of 75 % of wild birds is 6 months. 
  • Male birds are more attractive and handsome than female birds. It helps to attract female. 
  • Body temperature of Owl, Duck, Eagle etc is 104-106o F whereas of Pigeon & sparrow: 107-109o
  • Birds do not sweat, as they do not have sweat glands. Skin is dry without glands except the oil gland at the base of the tail. 
  • Birds have 100 times better night vision than that of human. 
  • Birds have no teeth. Food is grinded in the gizzard of stomach
  • Birds have four-chambered heart as in mammals.
  • Birds have no urinary bladder. It reduces the body weight for flying.
  • Birds have only a single ovary. It also reduces body weight for effective flying.
  • There are some additional air sacs  attached to the lungs of the birds. So they can receive maximum oxygen during breathing. 
  • Birds save energy by flying in a "V" formation. 
  • A bird requires more food in proportion to its size than a baby or a cat. Many birds can eat twice their body weight daily
  • Birds need gravity to swallow so if they are sent to space they will die soon.  
  • About 3 new species of bird are discovered each year. 
  • Most birds will incubate nearly any round object. Similarly, ground-nesting birds tend to roll round objects into their nests. 
  • A flute made of bone is the oldest playable musical instrument in the world. It’s a flute carved from a bird’s wing bone more than 9,000 years ago. The flute was discovered with other flutes at an ancient burial site in China. 
  • Bird droppings are the chief export of Nauru, an island nation in the Western Pacific. 
  • Birds can recognize different colours. Red, deep pink, yellow colours are their favourite colours. 
  • Some male songbirds sing more than 2000 times each day. 
  • Sometimes birds show anger towards humans by taking out its feelings on other birds nearby, because they are too afraid to attack humans. 
  • Over 10,000 birds a year die from smashing into windows. 
  • There are an estimated 2,500 collisions between birds and planes each year in the US. 
  • Birds do not sleep in their nests. They may occasionally nap in them, but they actually sleep in other places. 
  • In order to scare away predators, Giant petrels, a type of seabird, throw up all over the intruder. 
  • In the middle Ages, peacocks and swans were sometimes served at Christmas dinners. 
  • In USA, birds and planes collided more than 22,000 times between the years of 1990 and 1998. 
  • Most of the flightless birds are seen in Australia and New Zealand. 
  • Some species of birds especially the flightless birds only have a lower eyelid. 
  • Some birds have been known to put ants into their feathers because the ants squirt formic acid, which kills parasites. 
  • The brain of animals like birds, cat, dog etc contains a special type of cells called “magnetites” which interact with earth’s magnetic field thereby recognize north and south. Thus such animals can come back to their own place. 
  • The dodo, extinct less than 100 years after being discovered by the Dutch in 1598, was not a prolific species. The female laid just one egg a year The female knot-tying weaver bird will refuse to mate with a male who has built a shoddy nest. If spurned, the male must take the nest apart and completely rebuild it in order to win the affections of the female. 
  • There are an estimated 2,500 collisions between birds and planes each year in the US.
  • Fastest known flying birds: White throated spine tail swift: 170 kmph Common Eiders (Coastal ducks): 75 kmph Peregrine falcons: 60 kmph Buzzards: 110-130 kmph Swallows: 50 kmph (160 kmph during migration). 
  • Heaviest flying bird: African Kori bustard. Lightest: Bee Humming bird (5.7 cm; 1.6 gm) 
  • The oldest bird on record was Cocky, a cockatoo, who died in the London Zoo at the age of 82. 
  • Keenest vision: Birds. 
  • Longest feather: Tail feather (6 feet) of Argus pheasant (male) 

Do you want to know more amazing records (Superlatives) related with Birds?



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