Marine Birds - amoalf.com

Marine Birds - amoalf.com

Marine Birds History Probably evolved from dinosaurs about 160 million years ago. Their reptilian heritage is clearly visible in their scaly legs and claws and the configuration of their internal organs and skeleton. Characteristics

Endotherms Feathers Hollow Bones Highly Efficient Respiratory System

Lay Eggs On Land Incubate And Care For Young Adaptations For Marine Life Like marine reptiles, seabirds have special salt-excreting glands in their heads to eliminate the excess salt taken in with their food. Voracious feeders True seabirds avoid land unless breeding

Four Main Groups Tubenoses Pelicans And Their Relatives Gulls Penguins

Tubenoses Albatrosses Most Oceanic Large Efficient Wings Plumbing In Beak Responsible For Sensing

Air Speed, Detecting Smells, And Disposing Of Excess Salt Pelicans And Their Relatives Pelicans, Cormorants, Frigate Birds, and Boobies Throat Pouches Webbed Feet

Gulls Gulls and Terns Efficient Flyers Live Near The Shore Buoyant Swimmers

Good Runners Penguins

Lost ability to fly Solid Bones Greasy Peg-Like Feathers Large Size And Weight Neutral Buoyancy Good Swimmers Native to Southern Hemisphere

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