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The top documents tagged [largest groups of seabirds]
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DEFINING A SEABIRD A bird – Duh?! –Feathers –Hollow bones –Wings –Endothermic (warm blooded) –Specialized lungs – air flows in one direction aided by
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Seabirds
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Seabirds
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MARINE BIRDS. Probably evolved from dinosaurs about 160 million years ago. Their reptilian heritage is clearly visible in their scaly legs and claws
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