The actual facts of bird deaths due to turbines are not what you will often read. He reports turbine deaths are often a drop in the bucket compared to the local house cats.
Extensive research has to be done on any turbine site. Some of these sights employ my friend for years. He found a great niche at a perfect time and travels around the world doing this research.
In the end, you're right, death to seabirds will be a primary focus(as will all effected wildlife), before and during any testing and implementation.