Complex sentence: Isabella Bay in Niginganiq National Wildlife Area is the first wildlife sanctuary in the world to be designed specially for Bowhead whales, but moultings have not been recorded in this area due to environmental factors.
Split into simpler sentences: Isabella Bay in Niginganiq National Wildlife Area is the first wildlife sanctuary in the world to be designed specially for Bowhead whales. However, moultings have not been recorded in this area due to environmental factors.