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Wicirywogaeth

Y cyfeirlyfr digidol rhydd ac am ddim y gall bawb ei olygu.

Mae'n cynnwys Animalia, Plantae, Fungi, Bacteria, Archaea, Protista a phopeth byw!

Ar hyn o bryd mae gennym 803,631 o erthyglau.

Mae Wicirywogaeth yn rhydd o berchnogaeth hawlfraint, fel bywyd ei hun!

Fforio'r tacson
Feirws (dosbarthiad dal yn ansicr)

Archwiliwch Wicirywogaeth

  • Cymorth – Gwybodaeth fanwl ar sut i olygu.
  • Tacsonomeg – Gwybodaeth ar Ddosbarthiad Linnaeans.
  • Tafarn – Trafodwch y prosiect.
  • Gwnaed ac ar waith – Cyfeiriadau manwl i gwmpas y gwaith a chynlluniau a thargedi
  • FAQs – Trafodaethau a phryderon
  • Canllawiau – Argymhellion ble y medrwch uwchlwytho lluniau
  • PR Wicirywogaeth – Sut i ledaenu a 'marchnata' Wicirywogaeth i'r byd mawr crwn.

Cydweithio gyda ZooKeys

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Cyhoeddwyd y byddwn yn cydweithio gyda ZooKeys. Mae PhytoKeys hefyd wedi ymuno gyda'r prosiect ers Tachwedd 2010. Mae lluniau a delweddau ZooKeys a PhytoKeys yn cael eu huwchlwytho i Gomin Wicimedia a'u defnyddio ar Wicirywogaeth.

Awduron o nod

Adriana Hoffmann Jacoby
Born 1940. Standard IPNI form: A.E.Hoffm.

As a Chilean botanist and environmentalist, Adriana Hoffmann Jacoby has authored over a dozen books on the flora of Chile and has identified and classified more than 100 new species of cacti. She was Chile's Environment Minister in 2000 and 2001. She has advocated for the sustainable management and protection of Chilean forests, leading opposition to illegal logging in her role as coordinator of Defensores del Bosque Chileno (Defenders of the Chilean Forest) since 1992.

Hoffmann was recognized by the United Nations in 1997 as one of the 25 leading environmentalists of the decade for her efforts to protect Chile's forests. In 1999 she won the National Environmental Prize in the category of Environmental Education, awarded by Comisión Nacional del Medio Ambiente (CONAMA). For her research into Chilean flora and her work in environmental education, Hoffmann received the Luis Oyarzún Award from the Austral University of Chile in 2003. She received a Fellow Award from the Cactus and Succulent Society of America in 2009.

Hoffmann has also served on the judging panel for the United Nations Environment Programme's Sasakawa Prize.

See also: Distinguished authors of previous months.

Species of the month

Queen Alexandra's Birdwing

Ornithoptera alexandrae

Ornithoptera alexandrae

Some facts about this giant butterfly:

Average length: 8 cm.
Wingspan: Up to 31 cm for females and 20 cm for males.
Weight: Up to 12 grams.
Life span: About three months.
Feeding: Larvae feed on pipe-vines and adults on flowers.
Protection status: Endangered (IUCN 3.1)
Range: About 100 square kilometres of coastal rainforest near Popondetta, Oro Province, Papua New Guinea.

Ornithoptera alexandrae is the largest butterfly in the world. It was described in 1907 by the British entomologist Lord Walter Rothschild who also founded of the Zoological Museum, Tring (now the Natural History Museum at Tring). The female lays about 27 eggs during its entire lifespan. The caterpillars eat the pipe-vine plant, which contains poison, making the butterfly toxic to predators. Males are strongly territorial and will chase potential rivals, and sometimes small birds as well. It is named in honour of Queen Alexandra, wife of King Edward VII of the United Kingdom.

(Archived from Template:Species of the week)

Wicirywogaeth mewn ieithoedd eraill

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