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Dolphin
Watch
Nature Tours
Port Aransas
Texas 78373
Local:
(361) 749-6969
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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) |
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Photo by Marcus
Martin
Courtesy of USGS
Patuexent
Wildlife Research Center
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Whooping
Crane
Grus americana |
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"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)
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Brown Pelican
Pelicanus occidentalis |
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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.”
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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).
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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.
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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.
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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).
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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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Proceed
to
Resources
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Educational
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| Practice
Classification Exercise | Dolphin Anatomy Handout
Plankton
| Phytoplankton
| Zooplankton
Coastal Birds
| Brown Pelicans
| Whooping Cranes
| In The Net
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