Department of Zoology at ANDC/Zoology Museum/Museum specimens/Aves

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Class Aves

Date & Time : 13, December 2017 18:29



General Characteristics of Aves

  • warm blooded animals.
  • no skin glands except uropigial glands.
  • feathers as exoskeleton.
  • fore limbs are modified into wings.
  • hind limbs are adapted tfor walking.
  • the bones are spongy.
  • skull is monocondylic.
  • lower jaw contain 5 or 6 bones.
  • double headed vertebral ribs.
  • The ankle joint is inter tarsal.
  • lungs are non ditensible.
  • Syrinx produce the voice.
  • no vocal cord in lyrinx.
  • heart is 4-chambered.
  • R.B.C. are nucleated.
  • sexes are separate.
  • oviparous.

Classification of Aves

A Few Examples

1. Psittacula

Psittacula krameri -Karnataka, India-8


Common name-tota in Hindi and parrot in English..

Distribution- found in India, Pakistan, Ceylon, Burma.

Food-fruits and ripening grains.

IDENTIFYING CHARACTERS-

  • Body-slender-shaped.
  • Body colour-grass green.
  • Body length-about 24 cm.
  • Bill-red in color, short but deeply hooked.
  • Collar-in males, it's color is black and rose pink but absent in females.
  • Feet-adapted for grasping.
  • Tail-long but pointed.
  • It can be taught to repeat some words or sentences.

2. Corvus

Common name- House crow in English and kowwa in Hindi.

Distribution-found in India, Pakistan, Ceylon and Burma.

Habit and habitat- omnivorous.

Food- eat  anything like dead rat, eggs, locusts, fruits, grainand termites etc.

IDENTIFYING CHARACTERS-

  • Body color- black
  • Body length- 32-42 cm.
  • Neck- grey in color.
  • Legs- consist of 4 clawed toes in which one is directing backwarad and other three are directing inward.
  • They destroy locusts and injurious insects. but they can also  destroy ripeningcrops.
  • They make nests for their living.


3. Columba

Pigeon.jpg

COMMON NAME-Kabutar in Hindi and rock pigeon in English.

DISTRIBUTION-found in India,Pakistan, Ceylon and Burma

FOOD-cereals,pulses, ground nuts etc.

IDENTIFYING CHARACTERS:-

  • Body length- about 34 cm or more.
  • Body color-slaty-grey metallic green and purple.
  • Neck- magenta in color.
  • Wings- two dark bars on wings.
  • Tail- a band is present across the end of the tail.
  • the bird is so familiar to human.
  • The nest is made up of twigs and straw. 


4. Coracias

Blue jay.jpg

Common name- it is called nilkanth in Hindi and blue jay in English.

Distribution- found in India, Pakistan, Burma and Ceylon.

Habit and Habitat- like to live in open cultivated country and avoids dense forests.

Food- grassshoppers, beetles, and other insects. it can eat lizards, mice, and frogs sometimes.

IDENTIFYING CHARACTERS-

  • Body - similar to pigeon in size.
  • Body color-  dark and pale blue portions on wing, the breast is brown,.
  • Head - bigin size, consist of  heavy, black bill.
  • It destroys the injurious pests.
  • The nest is made up of straw, feathers and rubbish in  hole in the trees.

5. Passer

House sparrow.jpg

Common name- gauriya in Hindi and HOUSE SPARROW IN eNGLISH.

Distribution- distributed worldwide except Andmans and Nicobars.

Habit and Habitat- like to live in houses and open areas.

Food-seeds, grains, wheat, and other cereals etc.

IDENTIFYING CHARACTERS-

  • Body- small in size.
  • Body length- about 10-12 cm
  • Body color- earthy brown and underparts are whitish.
  • legs- 4 clawed toes, one is directed backward and other three are directec forwards.
  • the male has black area on throat and breast.
  • It destroys the large number of insects.
  • Nest is made up of straw and rubbish ruffledinto a hole in the wall.


6. Anas

Duck.jpg

Common name- duck in English and buttakh in Hindi.

Distribution-found in India, Pakistan and Burma.

Habit and Habitat- like to live in fresh water, ponds and pools.

Food- wheat, cereals etc.

IDENTIFYING CHARACTERS-

  • Body color- white.
  • Neck- long and C- shaped.
  • Beak- broad and flattened. base of the beak is covered by a soft sensitive membrane.
  • Jaws -consist of transverse lamellae on inner surface.
  • plumulae consist of uropigial glands which secrete oily secretion.
  • They do not construct nests.