Concept

Founingo hollandais

Résumé
The Mauritius blue pigeon (Alectroenas nitidissimus) is an extinct species of blue pigeon formerly endemic to the Mascarene island of Mauritius in the Indian Ocean east of Madagascar. It has two extinct relatives from the Mascarenes and three extant ones from other islands. It is the type species of the genus of blue pigeons, Alectroenas. It had white hackles around the head, neck and breast and blue plumage on the body, and it was red on the tail and the bare parts of the head. These colours were thought similar to those of the Dutch flag, a resemblance reflected in its French common name, Pigeon Hollandais. The juveniles may have been partially green. It was 30 cm (12 in) long and larger and more robust than any other blue pigeon species. It fed on fruits, nuts, and molluscs, and was once widespread in the forests of Mauritius. The bird was first mentioned in the 17th century and was described several times thereafter, but very few accounts describe the behaviour of living specimens. The oldest record of the species is two sketches from a 1601–1603 ship's journal. Several stuffed specimens reached Europe in the 18th and 19th centuries, while only three stuffed specimens exist today. A live bird kept in the Netherlands around 1790 was long thought to have been a Mauritius blue pigeon, but examination of illustrations depicting it have shown it was most likely a Seychelles blue pigeon. The species is thought to have become extinct in the 1830s due to deforestation and predation. The oldest record of the Mauritius blue pigeon is two sketches in the 1601–1603 journal of the Dutch ship Gelderland. The birds appear to have been freshly killed or stunned. The drawings were made by the Dutch artist Joris Joostensz Laerle on Mauritius, but were not published until 1969. François Cauche in 1651 briefly mentioned "white, black and red turtle doves", encountered in 1638, which is thought to be the first unequivocal mention of the bird. The next account is that of Jean-François Charpentier de Cossigny in the mid-18th century.
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