Medium sized bird (approx. 40 cm) example of seabird being coastal. Gulls are medium to large, gray birds when they are young and change to white plumage when they become adults, often with black marks on the head or wings. They usually produce harsh calls reminiscent of crying or growling, have a robust and long beak and their feet are webbed. Its food comes from fishing for fish, crabs, clams, shrimps, rodents, etc. It also feeds on other birds and usually eats the eggs of other birds and their young. It also feeds on garbage, it scavenges all kinds of food waste. Gulls nest in large, densely populated and noisy colonies. They lay two or three mottled eggs in nests composed of vegetation. The young are precocious, born with dark speckled spots and are able to move at birth. It lives in inland wetlands with low vegetation, coasts, lagoons and even floodable fields and crops. Gulls, the largest species in particular, are witty, curious and intelligent birds.