- 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 F
- 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)
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