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 486,571 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

Sociable lapwing

Vanellus gregarius

Vanellus gregarius

Some facts about this bird:

Head and body length: 27–30 cm.

Wingspan: 70–76 cm.

Weigth: 150–260 grams.

Habitat: Breeds in steppes. Prefers sandy short grass plains and meadows during non-breeding season.

Distribution: Breeds in northern and central Kazakhstan and south-central Russia.

Diet: Chiefly feeds on insects.

Surviving number: Estimated at 11,000.

Conservation status: Critically Endangered (IUCN 3.1)

First described: By the German zoologist and botanist Peter Simon Pallas in 1771 as Charadrius gregarius.


Vanellus gregarius is a well-traveled tourist. This bird's flight routes take it from the breeding grounds in the steppes of Kazakhstan and Russia to locations throughout the Middle East. It has even been found as far south as Sudan and as far east as India. The species is monogamous. A single clutch of usually four eggs per season are laid in an unlined depression on the ground. The eggs are then incubated for about 25 days. Illegal hunting and habitat loss made the sociable lapwing population decline by 70% in the 20th century.

See also: Species of previous months

Wicirywogaeth mewn ieithoedd eraill

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