1. Marine Birds

2. All Seabirds are Endotherms (warm-blooded)
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

3. Penguins:
17 species found in southern hemisphere
Spends 75% of lifetime in water

4. 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

6. Nesting

7. Nests on pack ice

8. 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.

9. Salt Excretion in Birds

10. Pelicans
Have pouch like beaks
Related to Cormorants and Frigate birds

11. Gulls and their relatives
Mostly predators and scavengers
Hang out at dumps
Related to Puffins

12. Shorebirds Lack webbing in their feet Don’t swim much
Pick through mud or sand
Include sandpipers, herons, egrets