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Wikispecies

The free species directair that oniebodie can eedit.

It covers Animalia, Plantae, Fungi, Bacteria, Archaea, Protista an aw ither forms o life.

Richt nou we have 578,735 articles an coontin

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A collaboration atween Wikispecies an ZooKeys haes bin announced. PhytoKeys joined the collaboration an aw in Novembra 2010. Eemages o species fae ZooKeys an PhytoKeys will be uplaided tae Wikimedia Commons an uised in Wikispecies.



Distinguished author

Doctor Francesco Redi.jpg

Francesco Redi
1626–1697. Standard IPNI form: Redi

Francesco Redi was an Italian entomologist, parasitologist and toxicologist, sometimes referred to as the "founder of experimental biology" and the "father of modern parasitology". Having a doctoral degree and in both medicine and philosophy from the University of Pisa at the age of 21, he worked in various cities of Italy.

Redi is best known for his series of experiments, published in 1668 as Esperienze Intorno alla Generazione degli Insetti ("Experiments on the Generation of Insects"), which is regarded as his masterpiece and a milestone in the history of modern science. The book is one of the first steps in refuting "spontaneous generation", a theory also known as "Aristotelian abiogenesis". At the time, prevailing theory was that maggots arose spontaneously from rotting meat, which Redi was able to disprove. In an experiment, He used samples of rotting meat that were either fully exposed to the air, partially exposed to the air, or not exposed to air at all. Redi showed that both fully and partially exposed rotting meat developed fly maggots, whereas rotting meat that was not exposed to air did not develop maggots. This discovery completely changed the way people viewed the decomposition of organisms and prompted further investigations into insect life cycles and into entomology in general. It is also an early example of forensic entomology.

In Esperienze Intorno alla Generazione degli Insetti Redi was the first to describe ectoparasites, such as lice (Phthiraptera), fleas (Siphonaptera), and some mites (Acari). His next treatise in 1684, titled Osservazioni intorno agli animali viventi che si trovano negli animali viventi ("Observations on Living Animals, that are in Living Animals") recorded the descriptions and the illustrations of more than 100 parasites. In it he also differentiates the earthworm (generally regarded as a helminth) and Ascaris lumbricoides, the human roundworm. An important innovation from the book is his experiments in chemotherapy in which he employed what is now called "scientific control", the basis of experimental design in modern biological research. Perhaps, his most significant observation was that parasites produce eggs and develop from them, which contradicted the prevailing opinion that they are produced spontaneously. Altogether he is known to have described some 180 species of parasites.

See also: Distinguished authors of previous months.

Species of the month

Blue Bird of Paradise

Paradisaea rudolphi

Paradisaea rudolphi

Some facts on this bird:

Head and body length: about 30 cm.

Weight: 125 to 190 grams.

Range: Papua, New Guinea.

Habitat: Lower montane forest; requires primary forest to display.

Diet: Feeds mainly on fruit.

Surviving number: 2,500–10,000.

Conservation status: Vulnerable (IUCN 3.1).

First described: By Otto Finsch & Adolf Bernard Meyer in 1885; originally named Paradisornis rudolphi.


If you're looking for the ultimate show-off, try Paradisaea rudolphi. It's difficult to find a more spectacular courtship display than that of this bird. The male hangs upside down, spreads his flank feathers into a triangular fan, raises and lowers the long tail plumes and catches the light in such a way that it shimmers in blue and violet. This display extravaganza is accompanied by cawing and rhythmic buzzing sounds. When it comes to incubating the eggs and caring for the young, the female is on her own. The paradise of this bird is about to become a paradise lost, threatened by habitat loss due to agriculture, logging and mining.

See also: Species of previous months

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