Marine and Coastal Birds

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Presentation transcript:

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 External Anatomy of a Bird

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

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

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

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

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

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

Pelicans Pelicans have a pouch on bill that can hold water when they catch prey DDT caused a near extinction of brown pelicans in the 70s Brown pelicans are found on the TX Gulf Coast

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

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

Gulls Scavengers (trash birds) They eat anything

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

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

Whooping Cranes Tallest bird in North America Can only see black wing feathers while in flight Migrate to Texas from November to March (breed in Canada)

Whooping Crane Migration