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Marine and Coastal Birds

Marine and Coastal Birds. External Anatomy of a Bird. Beak Crown Iris Pupil Mantle Lesser Coverts Scapulars Coverts (Feathers) Tertials Rump Tail Feathers Vent Thigh Knee Tarsus Feet Tibia Belly Flanks Breast Throat Wattle. Birds are in the phylum Chordata Class Aves

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Marine and Coastal Birds

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  1. Marine and Coastal Birds

  2. External Anatomy of a Bird • Beak • Crown • Iris • Pupil • Mantle • Lesser Coverts • Scapulars • Coverts (Feathers) • Tertials • Rump • Tail Feathers • Vent • Thigh • Knee • Tarsus • Feet • Tibia • Belly • Flanks • Breast • Throat • Wattle

  3. Birds are in the phylum Chordata • Class Aves • Hollow Bones • Feathers • Wings • Lay eggs • Endothermic (warm-blooded)

  4. Marine Birds • Waterproof feathers • Oil gland secretes oil • Use beaks to move it around their bodies • Webbed Feet • Nest on land in often secluded areas

  5. Types of Marine Birds Albatross Tubenoses Salt gland to excrete excess salt ingested Curved tip on beak good for surface fishing

  6. Tubenoses continued Wingspans up to 3.5 m! Tubenoses have extreme migrations Mate for life

  7. Penguins Streamlined, hard beak (better for diving) Use wings to dive and pursue food Denser bones to help with diving Often mate for life Bad eye sight on land

  8. Penguins continued… Penguins live in cold regions They have an extra layer of fat to help keep them warm They sometimes live near the equator, but those areas get cold water currents

  9. Pelicans Pelicans have a pouch on bill that can hold water when they catch prey DDT caused a near extinction ofbrown pelicans in the 70s Brown pelicansare found onthe TX GulfCoast

  10. Cormorant Black birds that dive for prey Low fliers and low floaters

  11. Frigates • Bird Pirates • Attack birds in air and make them regurgitate their food • Don’t enter water often because they aren’t very waterproof • Long forked tail

  12. Gulls • Scavengers (trash birds) • They eat anything

  13. Shorebirds in Texas • Often have long legs for wading • Roseate Spoonbills • Eat crustaceans • Live along the gulf of Mexico • Red shoulder patch • Spoon shaped bill

  14. Herons Long legs for wading Eat crustaceans Long billed Curlew Use bill to get worms, fish,crabs out of mud

  15. Whooping Cranes Tallest bird in NorthAmerica Can only see blackwing feathers whilein flight Migrate to Texas from November to March (breed in Canada)

  16. Whooping Crane Migration

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