b irds and insects class 4

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BIRDS AND INSECTS Prepared by: Ms. Ridhi (PRT SCIENCE)

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Page 1: B irds and insects class 4

BIRDS AND INSECTS

• Prepared by: Ms. Ridhi (PRT SCIENCE)

Page 2: B irds and insects class 4

BIRDS

• Birds are very active and lively creatures • They have hollow bones that make their body

light• Birds do not have teeth

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Uses of Beak

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Nest of Birds

• Different birds lay different types of nests• Eg Tailor bird and Weaver Bird make nest in

special ways

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Tailor Bird

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• It has beak like a sewing needle

• It uses silk from the cobwebs and fibers from tree trunk as thread

• It selects two green leaves growing together

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Weaver Bird

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• It uses strips from fresh green leaves and dry grass to make the nest

• It ties the leaf fiber with the tree branch by knots

• It weaves the nest with its beak by first making the entrance and the walls

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Migration

• Flying of birds from cold areas to warm areas in winters is called migration

• Painted stork and Siberian crane migrate to India in winters

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COPPERSMITH

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NEST OF COPPERSMITH

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SUNBIRD

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NEST OF SUNBIRD

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NEST OF CROW

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Insects

• There are more than a million kind of insects found on earth

• These include Grasshopper, beetles, bees, flies and mosquitoes

• They do not have bones• Body of insects is protected by tough outer

covering

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Types of Insects

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House fly

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Mosquito

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Silk Moth

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Lady bird Beetle

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Flea

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Termite

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HONEY BEE

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STING OF HONEY BEE

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WASP

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STING OF WASP

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SPIDER

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SPIDER WEB

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INSECTS TRAPPED IN ASPIDER WEB

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LAC INSECT

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LAC PRODUCED BY LAC INSECT

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Thank You!