Wednesday 20 February 2013

Amazonian frog employs 'functional necrophilia' breeding strategy



A species of frog has been found to operate a "functional necrophilia strategy" whereby males extract eggs from dead females and then fertilise them.


The tiny central Amazonian frog -- the Rhinella proboscidea -- is a species that engages in "explosive breeding", that is, a frantic competition for mates that takes place when large groups of animals gather for a few days. In this case, that means several hundred males congregate in small streamside ponds or headwaters for two or three days. When this happens, there is a brutal struggle to procreate, where many males become exhausted from fighting other males for receptive females. Meanwhile the females can sometimes get unintentionally crushed to death or drowned.


By: Olivia Solon, Edited by: Ian Steadman


Continue reading...



via Wired.co.uk



http://www.wired.co.uk/news/archive/2013-02/20/frog-necrophilia

No comments:

Post a Comment