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Hawaiian Coot / Fulica
alai /
`Alae ke`oke`o
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The
Hawaiian Coot is dark slate gray with a white bill and a large frontal
shield (patch on top of head). The frontal shield is usually white
but can vary from bluish white to yellow to dark blood red. They
have white undertail feathers that are seen when swimming or during
their courtship displays. Male and female coots look alike. This
endemic bird of Hawai`i is smaller than its mainland relatives,
measuring 15 inches in length. |
Habitat
& Behavior:
Coots are found
in fresh and brackish-water marshes and ponds. They rarely fly, but are
capable of sustained flight close to the water. The Hawaiian Coot builds
floating nests in aquatic vegetation, in which four to ten eggs are laid.
Adults defend their nests vigorously. Chicks have black down, except on
the head, neck and throat, where the down is reddish-orange. They are
able to run and swin soon after hatching but maintain contact with parents
by frequent calling.
The Hawaiian Coot eats seeds and leaves of aquatic plants, insects, tadpoles,
and small fish. Their calls include a variety of short, harsh croaks.
Past
& Present:
Its not likely that there used to be an abundant
number of Hawaiian Coots living in large natural marshes and ponds that
no longer exist. There are no records of how many Coots were around before
the 1950s. Research in the late 1950s and to the late 1960s indicated
a population of only about 1,000. This led to it being listed as an endangered
species in 1970.
Between 2,000 to 4,000 Hawaiian Coots live in all the main Hawaiian islands,
except Kahoolawe. It is believed that the population fluctuates according
to climatic and hydrological conditions. Ni`ihau has the most Coots during
the winter because the lakes are usually flooded. On Kaua`i, Coots are
usually found in lowland valleys, while the O`ahu populations are on the
coastal wetlands. Maui Nui (Maui, Moloka`i and Lana`i) has the second
largest population in the state (O`ahu is first). They are found at the
islands two largest wetlands: Kealia
Pond National Wildlife Refuge and Kanaha Pond State Bird Sanctuary.
The Big Island populations are found at Aimakapa and Opaeula Ponds on
the Kona coast, and at Waiakea and Loko Waka Ponds in Hilo.
The primary cause of the decline of this Hawaiian native waterbird has
been loss of wetland habitat. Other factors include introduced predators
and alien plants, disease, hybridization, and environmental contaminants.
| Conservation
Efforts:
State and Federal efforts in protecting wetlands, enforcing strict
hunting laws, educating, and working with private organizations
and landowners play an important role in ensuring the livelihood
of the Hawaiian Coot and many other waterbirds. Private organizations
such as the World
Wildlife Fund and Ducks
Unlimited have been actively supporting wetlands conservation.
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Trivia
quiz:
The Hawaiian Coot is different from its mainland relative in what way?
[a] habitat
[b] color
[c] size
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