Complex sentence: After being fully activated by Christine Trelane, she has the ability to grow wings from her back at will as well as claws and talons, and consequently is the "fastest winged mammal on the planet".
Split into simpler sentences: After being fully activated by Christine Trelane, she has the ability to grow wings from her back at will as well as claws and talons. Consequently she is the "fastest winged mammal on the planet".