Birds

Peacock - A different, yet beautiful bird.



Flamingo - A bird that can fly.

Hawk - a raptor.

Penguin - a bird that cant fly.



Bee Hummingbird - smallest bird.

Aves: The Birds o Body Structure · Feathers, wings, beak · Thin, hollow bones · Large sternum

o Body Function · Very efficient lungs and air sacs · Unidirectional air flow · 4 chambered heart · Endothermic(warm-blooded) · Keen eyesight-8-10x better than humans o Reproduction · Internal fertilization · External development in amniotic egg · Hatchlings § Altricial-Young hatch without feathers and are dependent on adults § Precocial-Young hatch fully feathered and follow mother; 10-15 eggs o Digestion · Large variety of diets § Seeds, nectar, insects, small animals, carrion. § Beaks indicate diet o Feathers · Types § Flight-for flying § Contour-covers bird body § Down-used for insulation · Males are usually more brightly colored o Flight Adaptations · Feathers § Extremely light (may have evolved from scales) · No teeth · Hollow bones · Sternum allows for attachment of powerful flight muscles · Flight requires energy and efficiency § Heartbeat pumps blood carrying oxygen to the muscles at 1000 beats/minute § Air flow system is unidirectional, making it more efficient

Bird Taxonomy o Kingdom: Animalia o Phylum: Chordata o Subphylum :Vertebrata o Class :Aves

Bird Examples: o Flightless Birds- Penguin, Kiwi o Largest Birds- Ostrich, Condor o Smallest Birds- Bee Hummingbird o Birds of Prey- Raptors (Hawks, Eagles, Falcons, Owls) media type="custom" key="8825024" align="left"

Gulf spill still threaten millions of Migrating birds

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[] Bird Article

Where are the birds going?

How do they know where they are going?

Why do they migrate?