This app was mentioned in 1 comment, with an average of 1.00 upvote
> SA bird book
http://www.windowsphone.com/en-us/store/app/sasol-ebirds-of-southern-africa/be8bf5fe-3c95-4b7a-b582-862caea50026
https://play.google.com/store/apps/details?id=com.coolideas.eproducts.ebirds
There's an iDevice version as well.