Overview

Distribution

Continent: Africa
Distribution: C Angola
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Bitis heraldica

Common name: Angolan adder[2][3]

Bitis heraldica is a venomous viper species found only in Angola, easily distinguished from B. caudalis by its heavily speckled belly and lack of any supraocular "horns".[3] No subspecies are currently recognized.[4]

Description[edit source | edit]

The maximum recorded total length (body + tail) is 405 mm (15.9 in).[3]

Geographic range[edit source | edit]

It is found on the high plateau of central Angola.[1]

The type locality given is "sur les bords de la rivière Calae, l'un des affluents de Cunene, entre le 13o et 14o parallèle á l'est de Caconda." [Calai River (tributary of the Kunene), Cacanda, Angola.[1]

Habitat[edit source | edit]

It commonly inhabits rocky mountain slopes.[3]

Behavior[edit source | edit]

Nothing is known of its behavior, as less than 20 specimens have ever been collected.[3]

Venom[edit source | edit]

Nothing is known of the venom composition, and no bites have ever been recorded.[3]

See also[edit source | edit]

References[edit source | edit]

  1. ^ a b c McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. ^ Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.
  3. ^ a b c d e f Spawls S, Branch B. 1995. The Dangerous Snakes of Africa. Ralph Curtis Books. Dubai: Oriental Press. 192 pp. ISBN 0-88359-029-8.
  4. ^ "Bitis heraldica". Integrated Taxonomic Information System. Retrieved 5 April 2007. 

Further reading[edit source | edit]

  • Bocage JVB du. 1889. Mélanges erpétologiques. II. Sur une Vipère apparemment nouvelle d'Angola. Jornal de Sciencias Mathematicas, Physicas e Naturaes, Academia Real das Sciencias de Lisboa, Segunda Série 1: 127-128. (Vipera heraldica, nov. sp.)
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