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Birds

Birds
science Square
Science Square

Birds are beautiful animals that can fly. Their body is divided into three parts: – head, trunk and a tail.

Science Class 3 Birds 

They have two pairs of limbs – the legs and the wings. Birds have legs, but no hands.  Their wings are covered with feathers. Many birds can fly with the help of their wings. The Mouth of bird is called a beak. But they don’t have teeth. But birds itself distinguish with each other. Following are the features that distinguish birds from other animals and themselves too.

  • Feathers
  • Beak
  • Feet and Claws

Let us learn about different types of birds and

their feathers, beaks, feet, and claws.

Science Class 3 Birds 

 

Different kinds of feathers

All birds have bodies covered with feathers. Each bird has different kinds of feathers that help it do different things.

There are three kinds of feathers

  • Flight feathers– Flight feathers help birds to fly. They are found on the wings and the tail.
  • Body feathers– Body feathers are coloured feathers, which cover the body of the bird.
  • Down feathers– Down feathers are soft and fluffy feathers found close to the body of a bird. They help birds to keep their bodies warm.
  • Science Class 3 Birds 

 

Different types of Beaks

Bird use their beaks to catch and eat food. Different birds have beaks with different shapes which helps them eat different kinds of food.

Science Class 3 Birds 

Eagles have a strong, sharp and hooked beak to catch animals and tear into them while it flies.   

Science Class 3 Birds 

Parrots have a sharp and curved beak which helps crack nuts and seeds and also to tear fruits.

Science Class 3 Birds   

Ducks have a flat and a broad beak to catch fish and worms in the water.

Science Class 3 Birds 

                                                                     

Sparrows have a small pointed beak which helps to pick small grains.

Science Class 3 Birds 

Hummingbirds have a straw-like, long and slender beak to suck nectar from flowers.

  Science Class 3 Birds 

Different kinds of feet and claws

All birds have two feet and four toes. The feet and claws help the bird walk, wade through water and catch food. Different birds have different kinds of feet to help them live in their surroundings or gather food. 

Science Class 3 Birds 

 

Different types of nests

Nests act as shelters for birds.  Baby birds are born in nests.  Nests keep young birds warm and protect them from enemies and various challenging weather conditions.  Nests are made from twigs, stones, leaves, threads, fibers, etc, by the parent birds.  Different species of birds have adapted to various conditions on earth and have been able to survive by building nests with varying features.

 

Science Class 3 Birds   

Most birds build nests to lay eggs and protect their babies. They use grass, straws, twigs, and leaves to build their nest. They use their beaks to build nests. For example, Tailorbird uses its beak to stitch leaves to build the nest. Different birds build different kinds of nests. Many birds build their nests in trees, but there are some birds like a peacock and a duck who build their nests on the ground.

Only Cuckoos do not build nests. They lay eggs in the nest of a crow.

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Quiz for Birds

Q.1

What helps birds to stay warm during winters?

a) Wings
b) Feathers
c) Bones
d) Beak

Q.2

_________is the fastest wing flapping bird.

a) Woodpecker
b) Humming bird
c) Falcon
d) Swan

Q.3

________ is the fastest bird on the earth.

a) Eagle
b) Albatross
c) Goose
d) Peregrine falcons

Q.4

The phenomenon in which birds travel from place to place and season to season is called as ___________.

a)

Flying

b)

Locomotion

c)

Migration

d)

Reproduction

Q.5

Any general bird species that prefer insects and flies as their food are called as ___________.

a) Biological Control Agents
b) Carnivores
c) Predators
d) Primary Consumers

Q.6

Which of the following birds pursue their prey underwater?

a) Sulids
b) Kingfisher
c) Loons
d) Terns

Q.7

Kleptoparasitism is defined as ___________.

a)

The practice in which birds steal food from the other birds

b)

The practice in which the birds follow in which they travel from one place to another throughout the seasons

c)

The phenomena in which the birds prefer to eat insects and flies

d)

None of the above

Q.8

Which of the following birds engage in Kleptoparasitism?

a) Gulls
b) Sparrows
c) Vultures
d) Auks

Q.9

Which of the following birds do not produce milk for their off-springs?

a) Pigeon family
b) Flamingos
c) Penguins
d) Crows

Q.10

How do birds communicate?

a) Ultrasound
b) Visual and auditory Signal
c) SONAR
d) RADAR

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