Rate This Topic

Average: 0/5

Recent Comments

hadi salman
June 14, 2013 11:06AM

i ask did demulsifier cause damage to catalysis in refinery process with referen...
hadi salman
June 14, 2013 11:06AM

i want ask about catalysis
Erich Knight
June 08, 2013 05:06AM

The Clovis people & the Younger Dryas knocked out 80% of large land mammals ...
SATHISH KOKKULA
June 04, 2013 08:06PM

Very clear and concise information.

Ornithology

Ornithology

Ornithology is the scientific discipline--it is, in fact, a branch of zoology--that investigates the natural history of birds and their classification.

The word ornithology derives from the Greek terms ornis or ornithos, ("bird"), and logos, ("rationale" or "explanation").

    • Geophony, Biophony, and Anthrophony Featured Article Geophony, Biophony, and Anthrophony Geophony, Biophony, and Anthrophony

      What do these words mean? Biophony is the melodic sound created by such organisms as frogs and birds; geophony, the composition of non-biological sounds like wind, rain and... More »

    • Gentoo penguin Featured Article Gentoo penguin Gentoo penguin

      The Gentoo penguin (scientific name: Pygoscelis papua) is one of seventeen species of flightless birds in the family of penguins. It is one of three "Brush-tailed... More »

    • Emperor penguin Featured Article Emperor penguin Emperor penguin

      The Emperor penguin (scientific name: Aptenodytes forsteri G. R. Gray, 1844) is one of seventeen species of flightless birds in the family of penguins, and with the King... More »

    • Oldest Known Wild Bird in U.S. Featured Article Oldest Known Wild Bird in U.S. Oldest Known Wild Bird in U.S.

      Oldest Known Wild Bird in U.S. Returns to Midway to Raise Chick The oldest known U.S. wild bird—a coyly conservative 60—is a new mother. The bird, a Laysan... More »

    • Big-crested penguin Featured Article Big-crested penguin Big-crested penguin

      Also called Erect-crested penguin. The Big-crested penguin (scientific name: Eudyptes sclateri) is one of seventeen species of flightless birds in the family of penguins. It is... More »

    • Wild Birds and Bird Influenza Featured News Wild Birds and Bird Influenza Wild Birds and Bird Influenza

      Research Suggests Wild Birds May Play a Role in the Spread of Bird Flu Wild migratory birds may indeed play a role in the spread of bird flu [influenza], also known as highly... More »

    • Macaroni penguin Featured Article Macaroni penguin Macaroni penguin

      The Macaroni penguin (scientific name: Eudyptes chrysolophus) is is one of seventeen species of flightless birds in the family of penguins. It is one of six "Crested... More »

Recently Updated
Paropamisus xeric woodlands Last Updated on 2013-06-16 at 17:40 The Paropamisus xeric woodlands is an ecoregion situated in the north of Afghanistan and spans a land area of 35,800 square miles.  This palearctic ecoregion is classified... More »
Central Ranges xeric scrub Last Updated on 2013-06-15 at 03:01 The Central Ranges xeric scrub is an ecoregion in central Australia consisting of approximately 108,800 square miles in extent. This ecoregion is categorised as within the... More »
Tirari-Sturt Stony Desert Last Updated on 2013-06-15 at 02:47 The Tirari-Sturt Stony Desert is an ecoregion within Australia, which is classified within the Deserts & Xeric Shrublands biome. The extent of the Tirari-Sturt Stony... More »
Windward Islands dry forests Last Updated on 2013-06-08 at 23:36 The Windward Islands dry forests ecoregion is sparsely distributed among the Windward Island Group of the Caribbean’s Lesser Antilles. It is commonly found as an... More »
Nenjiang River Last Updated on 2013-05-02 at 21:31 The Nenjiang River (also termed the Nen River, Nonni River, Nen Jiang or Nen Chiang) is a major river in northeast China which flows largely south into the the Songhua River,... More »
Pontic steppe Last Updated on 2013-04-30 at 16:11 The Pontic steppe covers an area of some 383,800 square miles, extending from the northern shores of the Black Sea eastward to northwest Kazakhstan. This ecoregion is in the... More »
  • Articles Articles
  • Blog Blog Posts
  • Gallery Galleries
  • News News
  • Resources Resources
  • Media Videos
  • Include Content from all Sub-Sections
Type Title Author Date
Retrieving data...