Werribee Treatment Plant March 7, 2020 by First Visit To Werribee Treatment Plant Raptors Eating Rodents at WTP Finding Barn Owls Outside Werribee Treatment Plant Seeing barn owls TWICE MORE at WTP Whistling Kites Chasing Cormorants At The WTP. 3 New Birds at Werribee Treatment Plant Vic Birders Outing to Werribee Treatment Plant