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Wedged-Tailed
Shearwater
This bird got its name because of the way it hunts for food. It
skims close to the surface of the water and then plunges into the
water or wave to catch fish or squid. " Shear" means to
cut or slice through which describes the diving action of the bird.
The shearwater has a brownish gray back and tail, and a light gray
chest. They are about the size of a pigeon and have webbed feet
which makes it possible for them to kick off from the surface of
the water or a wave. They are often call the "moaning birds"
because of their whaling or crying sounds.
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The
Wedge-Tailed Shearwater spends most of its life at sea.
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When
schools of predator fish such as tuna force smaller fish and squid
to the surface of the water the wedge-tailded shearwaters gather
to feed in these areas. This is also a sign for fisherman who are
trying to catch the larger fish! Shearwaters also eat larvae pushed
to the surface by goat fish, mackerel scad or flying fish. A pointed
beak acts like a spear to grab squid and fish and they have a gland
the helps to remove extra salt from their food. |
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The
Shearwater has a gland that removes extra salt from food and water. |
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The
sheartwaters nest on the ground in burrows that measure two to three
feet in length. Only one egg is laid which hatches after around
52 days. Incubation is shared by the adults who switch every 10
days or so to feed out at sea. Nocturnal in a colony they are more
active at night during the nesting season. Chicks hatch in late
summer and fed by their parents every 24 hours. |
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Wedge-Tailed
Shearwaters make their burrows using their bills and feet. |
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Shearwater
Wedged Tail seabirds nest
in moderate numbers on the Mokulua Islands and anyone who goes to
the islands during the season should take great care when walking
around to avoid stepping on the burrows. If you see an injured
Shearwater Wedge Tail and are able to catch them the bird should
be taken to Sea Life Park.
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