Complex sentence: A scientific study that examined genetic and morphological variation in Magnificent Frigatebirds found both expected, and also highly unexpected results: firstly--as predicted by the flight capacity of the species--the authors found signatures of high gene flow across most of the distribution range.
Split into simpler sentences: A scientific study that examined genetic and morphological variation in Magnificent Frigatebirds found both expected, and also highly unexpected results. As predicted by the flight capacity of the species, the authors found signatures of high gene flow across most of the distribution range.