Tolerance.ca
Director / Editor: Victor Teboul, Ph.D.
Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Spitting cobras may have evolved unique venom to defend from ancient humans

By Taline Kazandjian, Postdoctoral Research Assistant, Liverpool School of Tropical Medicine
Harry Greene, Professor of Ecology and Evolutionary Biology , Cornell University
Nicholas Casewell, Director of Centre for Snakebite Research & Interventions, Liverpool School of Tropical Medicine
Wolfgang Wüster, Reader in Zoology, Bangor University
Share this article
Cobras are fascinating and frightening creatures. These snakes are most well known for their characteristic defence mechanism called hooding, when the sides of their neck flare out in a dramatic display.

However, hooding isn’t the only defensive behaviour in a cobra’s arsenal. Some species of cobra have modified fangs with small, front facing orifices. These allow them to forcibly eject venom as a spray or “spit”, which can hit the eyes of a target up to 2.5 metres


Read complete article

© The Conversation -


Follow us on ...
Facebook Twitter