Last modified: 2006-05-18 00:59:46 UTC
It is not related to Wikipedia - it is an own project. You can buy the domain http://www.wikispecies.org - but I suggest moving it to http://species.wikimedia.org, like http://meta.wikimedia.org and http://commons.wikimedia.org.
I've theoretically added species.wikimedia.org to DNS, not sure if it's working yet.
Moved.