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Autohaemorrhaging or reflex bleeding is the action of animals deliberately ejecting haemolymph or blood from their bodies. If the animal has toxic compounds in its blood, then it may be an effective chemical defence mechanism.

Animals that autohaemorrhage include:[1]

See also[edit]


  1. ^ Bateman, Philip; P. A. Fleming (28 Apr 2009). "There will be blood: autohaemorrhage behaviour as part of the defence repertoire of an insect". Journal of Zoology. 278 (4): 342–348. doi:10.1111/j.1469-7998.2009.00582.x. ISSN 1469-7998. Retrieved 2009-07-08.[dead link]
  2. ^ The Alkaloids: chemistry and physiology, Volume 31 By Arnold Brossi
  3. ^ Vinton Thompson and Gervasio S. Carvalho, "Abrupt Geographical Transition between Aposematic Color Forms in the Spittlebug Prosapia ignipectus (Fitch) (Hemiptera: Cercopidae)," Psyche, vol. 2016, Article ID 3623092, 10 pages, 2016. doi:10.1155/2016/3623092.

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