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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 496,086 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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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

Hoffmann's Two-toed Sloth

Choloepus hoffmanni

Some facts on this mammal:

Length: 58 to 70 cm.

Weight: 4 to 8 kg.

Distribution: South America.

Hebitat: Tropical rainforest canopy from sea level to 3,300 metres.

Diet: Mainly tree leaves; may also eat fruits and flowers.

Protection status: Least Concern (IUCN 3.1).

First described: By the German zoologist and explorer. Wilhelm Peters in 1858.


Choloepus hoffmanni isn't the best candidate to win a running race. In fact this Two-toed Sloth has the record for the world's slowest mammal. So sedentary it is, that algae grows on its furry coat. The slots come in two variants: the two-toed and three-toed, identified by the number of long, prominent claws that they have on each front foot. These animals are built for life in the treetops, spending nearly all of their time aloft, hanging from branches with a powerful grip of their long claws. Choloepus hoffmanni also sleep in trees, and they do this in abundance: between 15 and 20 hours every day. Even when awake they often remain motionless. At night they eat leaves, shoots, and fruit from the trees and get almost all of their water from juicy plants. Sloths mate and give birth while hanging in the trees and their young cling to their mothers and travel by hanging onto them for the first five weeks of their lives. The name of this animal commemorates the German physician and naturalist Karl Hoffmann.

See also: Species of previous months

Wicirywogaeth mewn ieithoedd eraill

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