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Notes on Seabirds - o We commonly see them on the piers...

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Notes on Seabirds Seabirds Birds are homeothermic vertebrates They are also endothermic Their bodies have feathers, which helps conserve heat They have light and hollow bones, allowing them to fly Sea birds spend most of their lives at the sea and tend to feed on different marine organisms.              Penguins Penguins don't fly, but very good swimmers. o They have a streamlined body structure with dense bones. The bones are denser than other birds, allowing reduced buoyancy. Penguins are adapted to cold temperatures thanks to the layer of fat located under their skin and  their dense feather. Penguins usually hunt for fish and krill. Gulls Gulls are scavengers and predators Gulls help make up the largest variety of sea birds
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Unformatted text preview: o We commonly see them on the piers, eating almost everything we give them. Pelicans • One of the unique features of the pelicans is their pouch that is below their beaks. • Pelicans like to plunge into the surface waters in order to catch fish • Pelicans were once victims of DDT pollution. o DDT interfered with the reproductive system of the pelicans; the eggshells were easily breakable because of DDT. Tubernoses • Tubernoses often migrate and breed in Antarctica, then migrate across the ocean and onto the Arctic to feed during the summer. o Example of tubernoses: albatross Shorebirds o Examples of shorebirds: ducks and herons...
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