Hafan

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Croeso i:

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 553,909 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

Zookeys logo.svg
PhytoKeys Logo.svg

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

Royal Penguin

Eudyptes schlegeli

Eudyptes schlegeli

Some facts on this penguin:

Head and body length: 65-75 cm.

Weight: 4.4-6.1 kg during breeding season.

Diet: Krill, fish, and small amounts of squid.

Range: Endemic to Macquarie Island and Clerk and Bishop Islets in Australia.

Incubation period: 30-40 days.

Surviving number: Estimated at 1,700,000.

Conservation status: Vulnerable (IUCN 3.1)

First described: By the German ethnographer, naturalist and explorer Otto Finsch, in 1876.


If you're looking for an exemplary husband and wife, Eudyptes schlegeli will certainly satisfy you. These penguins divide the household chores equally between them: The female takes the first two-week shift incubating her eggs, then comes the male's turn. After the egg hatches, the male assumes guard duty while the female forages for food to bring back to their hungry chick. At about 20 days, the chick joins a crèche (a group of youngsters receiving communal care), freeing both parents to bring meals home. When it reaches some 70 days old, the chick will have fledged and can begin to fend for itself. It becomes sexually mature at one year. These birds often form large colonies of up to 500,000 individuals. The nests are usually placed a few hundred meters from the sea and the birds make access routes through the tussock grass. Historically, royal penguins were hunted for their oil and at the industry's peak in 1905, a plant established on Macquarie Island was processing 2000 penguins at a time. Before hunting started, 3 million penguins were living on the islands.

See also: Species of previous months

Wicirywogaeth mewn ieithoedd eraill

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