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 502,447 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

Aye-aye

Daubentonia madagascariensis

Daubentonia madagascariensis

Some facts on this mammal:

Size: Head and body about 40 cm.; tail about 60 cm.

Weight: 2 kg.

Distribution: Found only on the island of Madagascar.

Diet: Omnivore: eats animal matter, nuts, insect larvae, fruit, nectar, seeds, and fungi.

Average life span: 20 years in captivity.

Protection status: Near Threatened (IUCN 3.1).

First described: By the German naturalist, botanist and entomologist Johann Friedrich Gmelin in 1788.


Daubentonia madagascariensis may look to you like a rodent, but it actually is a primate, related to monkeys, apes, and humans. Equipped with a bushy tail that is larger than the body, big eyes, slender fingers, and large, sensitive ears, the aye-aye is an impressive animal. It has pointed claws on all the fingers and toes except for the opposable big toes, which enable it to dangle from branches. Daubentonia madagascariensis is a nocturnal species which dwells in rain forest trees and avoids coming down to earth. During the day it curls up in a ball-like nest of leaves and branches. While perched aloft, the aye-aye uses its extra-long middle finger to tap on trees listening for wood-boring insects' larvae crawling underneath the bark. With the same middle finger it then fishes them out. This digit is also useful for scooping the flesh out of fruits such as coconuts. Many Madagascan natives consider the aye-ayes an omen of ill luck which must be killed when sighted. Being now critically endangered animals, they are protected by law.

See also: Species of previous months

Wicirywogaeth mewn ieithoedd eraill

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