Belcher's Gull is a medium-sized bird found primarily along the coasts of South America. It is known for its striking appearance, featuring a dark gray mantle, white head, and black wing tips. The gull typically inhabits coastal areas, estuaries, and sometimes inland lakes. This species is often seen foraging for food, including fish and invertebrates, and is known to scavenge as well. Belcher's Gull is a social bird, often found in flocks, and is recognized for its loud, harsh calls. It plays an important role in the coastal ecosystem by helping to control fish populations.