Large (4.5-5.5 kg) light brown bird with black head, neck, bill, legs and feet, and a white chinstrap.
To help protect our environment:
Pasture, lake and pond margins, water reservoirs, golf courses.
A risk to human safety, causing airstrike with planes. Can be very aggressive towards other birds, leading to displacement and mortality. Grazes pastures, contaminates water bodies, pasture and crops with faecal pathogens.