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The Roman satirist Juvenal wrote in AD 82 of rara avis in terris nigroque simillima cygno ("a rare bird in the lands, and very like a black swan"). [6] He meant something whose rarity would compare with that of a black swan, or in other words, as a black swan was not thought to exist, neither did the supposed characteristics of the "rare bird" with which it was being compared.
The Northern Hemisphere species of swan have pure white plumage, but the Southern Hemisphere species are mixed black and white. The Australian black swan ( Cygnus atratus ) is completely black except for the white flight feathers on its wings; the chicks of black swans are light grey.
Papilio polyxenes, the (eastern) black swallowtail, American swallowtail or parsnip swallowtail, [4] is a butterfly found throughout much of North America. An extremely similar-appearing species, Papilio joanae , occurs in the Ozark Mountains region, but it appears to be closely related to Papilio machaon , rather than P. polyxenes .
Papilio aegeus, the orchard swallowtail butterfly or large citrus butterfly is a species of butterfly from the family Papilionidae, that is found in eastern Australia and Papua New Guinea. The larvae of this species are sometimes considered a pest, due to their feeding on citrus leaves in suburban gardens.
Papilio nephelus has a wingspan reaching about 10–12 centimetres (3.9–4.7 in). The basic colour of the wings is black, with a chain of white spots on the forewing and a large white or yellow area on the hindwing.
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The swan was "cemented in the imagination as a creature of romance for a whole generation of impressionable working class suburban kids". The anthropomorphic projection may not have been entirely random; [ 2 ] swans are believed to take a mate for life, and the graceful white birds might symbolize monogamous felicity.
Today's NYT Connections puzzle for Friday, December 13, 2024The New York Times