Birds Birds have two types of feathers. Contour feather Down feather

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Presentation transcript:

Birds Birds have two types of feathers. Contour feather Down feather Contour feathers help birds fly. Down feathers help keep the birds warm.

Birds structure Birds don't have bones in their tails. The more bones attached to a bird the stronger the bird. Some flightless birds have stronger bones in their legs for running. Like the Ostrich.

Birds Characteristics Some live in tropical areas and others can live in polar regions Different birds have different beaks that are used in different ways. Birds have curved wings Some birds have some characteristics like reptiles. A Sparrow's heart is 1.68 % of its weight a humans heart is .42% of its weight

Birds Characteristics Some live in tropical areas and others can live in polar regions Birds lay amniotic eggs. A group of eggs are called a clutch Different birds have different beaks that are used in different ways. A Sparrow's heart is 1.68 % of its weight a humans heart is .42% of its weight Some birds have some characteristics like reptiles. Feathers help maintain the birds temperature

Birds Characteristics Some live in tropical areas and others can live in polar regions Birds lay amniotic eggs. A group of eggs are called a clutch Different birds have different beaks that are used in different ways. A Sparrow's heart is 1.68 % of its weight a humans heart is .42% of its weight Some birds have some characteristics like reptiles. Feathers help maintain the birds temperature

How birds help Owls help control pests such as rats and mice They help humans learn how to make a plane fly They help feed some humans and animals Other like hummingbirds help pollinate flowers

Bird species There are over nine thousand species of birds

Bird eggs A group of eggs are called a clutch Birds lay amniotic eggs

Birds circulation system A birds blood circulates fast so it can get to the birds muscles fast

ANGRY BIRDS