Cassell's book of birds; vol. 4Brehm, Alfred Edmund
Science
Cassell's book of birds; vol. 4
Brehm, Alfred Edmund
Birds
The SCOOPING AVOCET (_Recurvirostra avocetta_) is black upon the top of
the head, nape, shoulders, and a large portion of the wings; the rest of
the latter and the remainder of the entire plumage is white. The eye is
reddish brown, the beak black, and the foot greyish blue. In the female,
these colours are less distinct; in the young the black feathers have a
brownish shade, and those on the wings are edged with reddish grey. The
upcurved bill of this bird is most remarkable, and entirely unsuited
to probe the ground or break the shell of ordinary-sized molluscs. The
slightest frost, therefore, drives the Avocet to the oozy muddy flats
of estuaries, bays, and similar situations, where it can patter about
with its wide-webbed feet, and gather small crustaceans and sea-worms.
Those who have seen a Stork or a Crane with a frog at the tip of its
long mandibles, and watched it, as, with an upward movement of the
head, it dropped the victim into its throat, will have a good idea of
the action of the Avocet when it has captured a small shrimp, a marine
insect, or any other of the objects upon which it lives, and at once
perceive that, with such a peculiarly-formed beak, it could not feed in
any other manner. The Scooping Avocets are numerously met with throughout
the Eastern Hemisphere, even as far south as the Cape of Good Hope; in
Central Europe they appear in April, and commence leaving again about
September. A century ago, before the English fens were drained, they were
common in the marshes of Norfolk and Lincolnshire; but are now rarely
seen. These birds only frequent the immediate vicinity of salt water,
and are almost exclusively met with on shallow muddy sea-coasts, or the
slimy banks of brackish lakes. When occupying the shores, they follow
the advance and recess of the tide in search of food, and are often seen
half a mile out upon the sands when the waves have retired. Among the
many varieties of sea-birds that frequent the sea-shore, the Scooping
Avocets are always conspicuous, as they move slowly along, with body
erect and slender neck gracefully curved, or fly rapidly through the air,
with broadly-flapping wings, and their long legs stretched directly out.
In the water they exhibit great skill, and frequently venture out to a
very considerable depth. The piping note uttered by this species has a
somewhat melancholy but not unpleasing tone, and is replaced during the
period of incubation by a plaintive call, which is constantly and rapidly
repeated. In disposition the Avocets are unsocial, and only rarely keep
company with their feathered companions; whilst towards man they exhibit
much timidity, and considerable intelligence in discerning such persons
as are likely to prove dangerous. At the commencement of the season for
incubation, the pairs seek a suitable spot whereon to breed, and usually
prefer grass-covered flats, or fields, in the immediate vicinity of the
sea. The nest is a mere hollow, slightly lined with dry blades of grass,
Public-domain text, read in full here on John Shaqi.
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