Marine Birds

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Marine Birds
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All Seabirds are Endotherms (warm-blooded). They
have light hollow bones, and make up 3 of all
birds. Can be found from pole to pole.

• The major groups of Seabirds include
• Penguins
• Tubenoses
• Pelicans
• Gulls
• Shorebirds

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• Penguins
• 17 species found in southern hemisphere
• Spends 75 of lifetime in water

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• Penguin Adaptations
• Heavy, solid bones for diving
• Watertight feathers (up to 70 per sq. in.)
• Blubber for insulation
• Oil gland for coating feathers
• Black white counter shading
• Deep divers
• - 500 m, 15 min.
• Paddle-like feet
• Streamline, fusiform body
• - 15 mph
• Social

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Nesting
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Nests on pack ice
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Tubenoses

• Have tube-like nostrils at the end of their beaks
• Spend months at sea feeding on fish
• Include Albatross and other long range fliers.

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Salt Excretion in Birds
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Pelicans

• Have pouch like beaks
• Related to Cormorants and Frigate birds

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Gulls and their relatives

• Mostly predators and scavengers
• Hang out at dumps
• Related to Puffins

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Shorebirds

• Lack webbing in their feet
• Dont swim much
• Pick through mud or sand
• Include sandpipers, herons, egrets