The term 'Large Sea Bird' can refer to two different species of birds, the GANNET and the SKUA. The GANNET is a large seabird that is found in temperate and tropical waters around the world. It has a wingspan of up to 2 meters and is known for its spectacular dives into the sea to catch fish. The SKUA is a large seabird that is found in the Arctic and Antarctic regions. It has a wingspan of up to 1.5 meters and is known for its aggressive behavior towards other birds. Both species are important members of the marine ecosystem, helping to keep the food chain in balance.