Corey McKay. Characteristics  No real physical distinctions between sea birds and other birds such as wing shape, because each species has evolved differently.

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Presentation transcript:

Corey McKay

Characteristics  No real physical distinctions between sea birds and other birds such as wing shape, because each species has evolved differently to survive.  Adapted to survive in areas with salt water.

Diet and Feeding  Surface feeding  Pursuit diving  Plunge diving

Surface Feeding  Can be done while flying, or floating on the surface.  Birds often have specially adapted bills to filter out plankton.

Pursuit Diving  Often use wings to propel themselves into the water.  Exerts more pressure on the bird, but with better reward.  Often used by penguins.

Plunge Diving  Dive from flight directly into the water.  They use momentum to dive farther than they could normally because of buoyancy.  They begin their dive from about 20 meters above the surface.  vbMMSV0 vbMMSV0

Other Facts  95% of sea birds are colonial.  The colonies can reach more than one million for one colony.

References   Hinterland’s Who’s Who? Seabirds Retrieved from  Barry M. Thomas (1996), Sea Birds. Retrieved from otalk/thornton/seabirds/seabirds.phtml otalk/thornton/seabirds/seabirds.phtml