The Roost by Walter Colvin

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  • 300gsm card with a satin finish
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3d art render of a vultures roost.
Made with bryce 7 pro and Ken Gilliland’s songbird remix vultures. Some post work with photoshop.

Vulture is the name given to two groups of convergently evolved scavenging birds, the New World Vultures including the well-known Californian and Andean Condors, and the Old World Vultures including the birds which are seen scavenging on carcasses of dead animals on African plains. New World Vultures are found in North and South America, Old World Vultures in Europe, Africa and Asia, meaning that between the two groups, Vultures are found on every continent except Australia and Antarctica.

A particular characteristic of many vultures is a bald head, devoid of normal feathers. This helps to keep the head clean when feeding. Research has shown that the bare skin may play an important role in thermoregulation.

A group of vultures is called a wake, committee, or venue. The word Geier (taken from the German language) does not have a precise meaning in ornithology, and it is occasionally used to refer to a vulture in English, as in some poetry.

Vultures are classified into two groups: Old World Vultures and New World Vultures. The similarities between the two different groups are due to convergent evolution.

Old World Vultures
The Old World Vultures found in Africa, Asia, and Europe belong to the family Accipitridae, which also includes eagles, kites, buzzards, and hawks. Old World vultures find carcasses exclusively by sight.

New World Vultures
The New World Vultures and condors found in warm and temperate areas of the Americas are not closely related to the similar Accipitridae, but belong in the family Cathartidae, which was once considered to be related to the storks. However, recent DNA evidence suggests that they should be included among the Accipitriformes, along with other birds of prey. However, they are still not closely related to the other vultures, and their shared similarities are due to convergent evolution. Several species have a good sense of smell, unusual for raptors, and are able to smell the dead they focus upon from great heights, up to a mile away.

Vultures seldom attack healthy animals, but may kill the wounded or sick. When a carcass has too thick a hide for its beak to open, it waits for a larger scavenger to eat first. Vast numbers have been seen upon battlefields. They gorge themselves when prey is abundant, until their crop bulges, and sit, sleepy or half torpid, to digest their food. They do not carry food to their young in their claws, but disgorge it from the crop. These birds are of great value as scavengers, especially in hot regions. Vulture stomach acid is exceptionally corrosive, allowing them to safely digest putrid carcasses infected with Botulinum toxin, hog cholera, and anthrax bacteria that would be lethal to other scavengers. This also enables them to use their reeking, corrosive vomit as a defensive projectile when threatened. Vultures urinate straight down their legs; the uric acid kills bacteria accumulated from walking through carcasses, and also acts as evaporative cooling.

From Wikipedia, the free encyclopedia

Greeting Cards & Postcards

bird, wildlife, vulture, roost, outdoors, scenic, bird of prey

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bird, wildlife, vulture, roost, outdoors, scenic, bird of prey


  • Sazzart
    Sazzartalmost 4 years ago

    LOL on vultures – good one Walter

  • Thank my friend.

    – Walter Colvin

  • SpinningAngel
    SpinningAngelalmost 4 years ago

    Love it Walter :D

  • Thank you Angel.

    – Walter Colvin

  • billfox256
    billfox256almost 4 years ago

    This is really a great, thought provoking, creation!!!!! Excellent work!!!!, Bill

  • Thank you very much Bill.

    – Walter Colvin

  • Keith Reesor
    Keith Reesoralmost 4 years ago

    Fantastic!! :)

  • Thank you Keith. Much appreciated.

    – Walter Colvin

  • JacquiK
    JacquiKalmost 4 years ago

    Amazing work Walter.

  • Thank yoy very much my friend.

    – Walter Colvin

  • Ken Gilliland
    Ken Gillilandalmost 4 years ago

    nice work

  • Thank you my Friend.

    – Walter Colvin

  • deborah zaragoza
    deborah zaragozaalmost 3 years ago

    Excellent Image! 06/14/2012
    Please participate in this features forum. Click Here
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  • Thank you Deborah,

    – Walter Colvin

  • Arfan Habib
    Arfan Habibalmost 3 years ago

    Excellent work Walter!

  • THank you very much Arfan.

    – Walter Colvin

  • EdsMum
    EdsMumover 2 years ago

    Congratulations, 22nd Sept. 2012….Shirley, Jean & Rene

  • THank you very much it is an Honour.

    – Walter Colvin

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