Introduction to Marine Birds

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Across
  1. 5. Birds are able to turn off half their brains at a time
  2. 6. Allow to consume seawater then excrete salt
  3. 8. The family of birds that have Upright posture and stiff wings
  4. 10. Compact and streamlined marine birds with short narrow wings and webbed feet
  5. 15. Allow birds to keep their feet warm and not lose heat to the water or sand
  6. 17. 93 species with 4 families (Petrels)
  7. 18. Known as shorebirds or waders
  8. 20. storm petrels
  9. 21. Enables them to drain excess salt from the bloodstream and may change seasonally
  10. 22. 305 species with 5 seabird families(Gulls, skuas, terns, skimmers, alcids, plovers)
Down
  1. 1. All four toes joined by web
  2. 2. 17 species with 1 family (Penguins)
  3. 3. 57 species with 5 seabird families (Frigatebirds, cormorants, anhingas, gannets, tropicbirds)
  4. 4. petrels, fumars and shearwater
  5. 7. Common ancestor but different function
  6. 9. Secretes waxes and fats that help spread through the feather in order to make themselves waterproof/insulated
  7. 11. diving petrels
  8. 12. gular sac between the branches of the lower mandible
  9. 13. Long winged, web-footed birds
  10. 14. Stealing food from other species of birds
  11. 16. Marine Birds are known for traveling very long distances annually
  12. 19. Albatrosses
  13. 21. Not technically marine birds