8. WHAT ARE THE BENEFITS OF MIGRATION?
Foraging
Protection
Mating
Raising families
Aerodynamics
Warmth
9. BREEDING HAUNTS
One of the greatest mysteries of
bird life.
Every year, during autumn and
early winter
Birds fly to Asia,Europe and
America to the southern, warmer
lands.
They are very punctual too, unless
they are delayed by the weather.
LOCAL MOVEMENTS
Caused by the stresses of living
and the variations in food supply.
At a particularly noticeable in
north india.
10. LITTLE VOYAGERS
TRAVELLING SPEED
Migrating birds do not
fly at their fastest.
Usually from 48 to 64 km
shore birds - 64 to 80 km
ducks -80 to 96 km/
hour.
Generally birds fly a
distance under 900
meters, but sometimes
at greater heights.
Willow warbler Woodcock
Rosy pastorWild duck
11. DANGERS FACED BY LITTLE VOYAGERS
sudden storms
bright lights attract
and confuse the birds.
Predators
Competition
• Exposure to
exhaustion
• Exposure to harsh,
dangerous weather
conditions.
12. FLYING PATTERN
Some birds fly by day, some both by day and by
night.
Birds usually travel in flocks.
‘V‘ shaped formation
13. RINGING
The band bears a number,
date, identification mark.
The finder is requested to
return the ring if young and
adult birds are Captured or
found dead.
Uses of ringing
The direction and locality
to which the bird has
migrated.
14. BIRD WATCHING
The migration of birds
is a fascinating study
indeed.
There are many
ornithologists one
among them is
Dr.Salim Ali ,The Bird
man of India.
Lets turn to nature and
make bird watching a
hobby.
15. GRAMMAR
SENTENCE PATTERN
•A Sentence is a group of words which makes a complete sense .
•Subject: the subject is usually a noun/pronoun.
•Verb :The verb indicates the action performed by the subject.
•Object: on which the action happens is known as the object.
•There are two types of object
•The direct object
•The indirect object
•Ex: my teacher gave me some books
•‘my teacher’ does the action , so the subject.
•She performs the action of ,giving, so the word ‘gave’ is the verb.
•The question ‘what’ to the verb is the direct object.
•The question ‘whom’ to the verb is the indirect object.
•The pattern of this sentence would be subject/verb/indirect
object/direct object. It is written as SV IO DO.
16. COMPLEMENT
The words required to complete the meaning of a sentence is called
complement.
subject complement: more about the subject is called subject
complement.
Object complement: more about the object is known as a object
complement.
ex: My father is a teacher.
my father is a subject,is – verb, a teacher – more about the subject ‘my
father’ is known as a subject complement.
we named the newborn baby Anirudh.
We – subject, named – verb,the newborn baby – object (answer the
question ‘whom’). Anirudh – more about the object, which is the ‘
newborn baby’is the object complement
17. ADJUNCT
When we put the questions ‘where’, ‘when’, ‘why’, and
‘how’ to the verb in a sentence, we get as the answer
is the adjunct.
The boy returned the book yesterday. (when )
Rahim wrote a letter sitting in the park. (where)
Mary returned home (where) due to illhealth.(why)
Sanjana travels to school (where) by bus. (how)
18.
19. EXAMPLES
SV- Birds fly
SVO-Sachin hits the ball
SVIODO- My father gave me a pen
SVC- Mala is a teacher
SVOC-They elected him the leader
SVA- Birds fly in the sky
SVOA- He wrote a letter yesterday
ASVOA-Yesterday he wrote a letter
20. VOCABULARY
SYNONYMS
1) Stresses – hard ships
2) Captured – arrested
3) Well defined – clearly marked
4) Voyagers – travelers
5) Seldom – rarely
6) Excited – agitated
7) fascinating – very interesting
8) Twittering – chirping
21. ANTONYMS
1) Regular x irregular
2) Artificial x natural
3) Captured x released
4) Common x uncommon
5) Excited x calm
6) Restricted x freedom
7) Fastest x slowest
8) Bitter x sweeter
22. COMPOUND WORDS
A Compound word is a combination of two or more words that
function as a single meaning.
Ex:
Match the compound words
Air - bed Airport
hand - light Hand written
over - write Over load
child - mark Child hood
safe - written Safeguard
moon - hood Moonlight
river - port Riverbed
type - guard Typewrite
land - boy Landmark
school - load Schoolboy