Dolphin Watch
Nature Tours

Port Aransas
Texas 78373

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(361) 749-6969

 

 

 

 

Dolphin Watch and Nature Tours
Educational Resources for Teachers and Schools

Coastal Birds

This section is designed to aid the teachers in fulfilling the following TEKS knowledge and skills requirements.

Grade K-8
Knowledge and Skill (2)

Photo by Marcus Martin
Courtesy of USGS

Patuexent Wildlife Research Center

Whooping Crane
Grus americana
Learn More

"The whooping crane is perhaps the best known endangered species in North America. They are a symbol of international efforts to protect and restore endangered wildlife. The annual travels of this endangered species are newsworthy and it's story dramatic." (Meine and Archibald, 1996)

 

Brown Pelican
Pelicanus occidentalis
Learn More

Dixon Lanier Meritt has a children’s limerick that starts out “A wonderful birds is the pelican, his bill can hold more than his belly can”. According to US Fish and Wildlife this is not far from the truth; “the pouch suspended from the lower half of the pelican’s long straight bill can hold up three times more than his stomach.”

Great Blue Heron
Ardea herodias
  • The great blue heron is known as the largest heron found in North America.
  • “Length: 20 inches, Wingspan: 38 inches” (USGS).
  • They live lakes, pond, rivers and marshes. They are adapted for fresh and salt water.
  • When feeding they wade slowly through the water or stands still in a shallow pool of water till a fish swims close enough to grab it.
  • They feed on fish, frogs, snakes and insects.
  • Great blue herons nest together in colonies at the tops of trees (Butler, 1990).
Laughing Gull
Larus atricilla
  • "Length: 13 Wingspan: 41" (USGS).
  • Habitat: Lakes, Salt Marshes, Beaches, Ocean.
  • The Laughing Gull has a highly varied diet. It is a carnivore as well as a scavenger.
  • In the wild, it will eat insects, fish, shellfish, and crabs. (Patuxent Wildlife Center, 1998) They can get their food from the water while they are airborne by either skimming the surface or diving. (Patuxent Bird ID InfoCenter, 1998)
  • They also gets food from man-made sources such as garbage, sewage, refuse from fishing boats, and anything tossed to them by humans. (Patuxent Bird ID InfoCenter, 1998)
  • Nest in Colonies.
Snowy Egret
Egretta thula
  • Small white heron with slender black bill, clack legs and yellow feet (Enature, 2000).
  • "Length: 20 inches Wingspan: 38 inches" (USGS).
  • Egrets commonly live in fresh and salt water marshes, ponds and shores.
  • Feed on shrimp and minnows by sprinting rapidly through shallow water chasing their meal.
  • Nest in trees or on the ground. Neat are often found with other herons.
Double-crested Cormorant
Phalacrocorax auritus
  • Large dark water bird, with an orange throat pouch, long neck and hooked bill.
  • “Length: 27 inches Wingspan: 50 inches” (USGS).
  • Cormorants are found coastally as well as in lakes and rivers. Can often be found where pelicans are feeding.
  • Feed on fish and crustaceans
  • Nests made out of sticks or seaweed and they nest in colonies in trees or on cliffs (Enature, 2000).
American White Pelican
Pelecanus erythrorhynchos
  • A large white bird with a long flat bill. The white pelican has a horny plate on the upper mandible of the bill. (Enature, 2000)
  • Length: 50 inches Wingspan: 110 inches. (USGS)
  • They commonly live in lakes and coastal lagoons.
  • White pelicans are migratory birds. They winter along the gulf coast; and summer at their breeding grounds in Canada and northern US.
  • “During migration you can see white pelicans in long line in V formation and often soars at great heights” (Robbins, Brunn & Zinn, 1983).
  • White pelicans do not dive for their food, instead they work cooperatively to surround fish in shallow water, so that they can scoop them up in their bill.

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