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The
main kind of water bird which nests on Linosa island is the shearwater. It
is a night bird, so, one can mainly hear its singing during the night. The
sound which the shearwater emits is just like a baby crying and the time in
which it nests is between May and October. They lay down one egg a year and
the place where they choose to build their nest is in a zone called
scasciatu (almost a kind of forest made of bushes and caves everywhere).
Being a waterbird, it catches fishes and so it spends all the day in the
open sea feeding itself.
The shearwater is of a medium size – The wide open wings measure
around 100-130 cms and it has a plumage coloured brown, in the upper part,
and white in the inferior part, decorated with a fading gray.
The period of matching is from May to June. The deposition of the only egg
takes place later on, after the coupling and the brooded of the egg lasts
for about 54 days. The hatchings are in July and August. They will take care
of the offspring and it will be fed by an oily substance produced the female
shearwater. At the end of August the offspring is grown up and the adult
shearwater will stop feeding their babies. That is the time when all the
colonies of Shearwater will fly away to the Atlantic.
An
important characteristic of the Calonectrises Diomedea is that they
form a lasting couple and annually they lay their eggs in same nest in
which they will produce an egg a year only.
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Linosa Island 
