72.
No birds 'live' in Antarctica. Some types of birds, notably penguins, come to Antarctica's beaches to breed for a few weeks during spring and summer.
No birds live in Antarctica: it's too cold and there is no food chain there. Sea birds, such as penguins, skuas, terns and more, breed on Antarctica's beaches, and then return to their homes at sea.
No bird lives in Antarctica. Several types of sea birds breed on Antarctica's beaches, but these animals live at sea. Whales are sea mammals and do not live on Antarctica, which is a continent.
No animal 'lives' on the coast of Antarctica, but many types of sea birds and sea mammals come to those beaches to breed.
No. Penguins are sea birds. Some types visit Antarctica's beaches to breed, but do not live there.
no there are many other species of birds in Antarctica
No animal lives in Antarctica: it's too cold and there is no food chain. Many sea mammals and sea birds, however, breed on Antarctica's beaches. These animals include seals and several types of penguins.
Sea birds and sea mammals visit Antarctica's beaches to breed, together with other sea birds. There are no land animals on Antarctica: it's too cold and there is no food chain.
21,000 pairs
All types of penguins only breed on Antarctica's beaches. These are sea birds and do not live on land.
No penguins live in Antarctica. Two types of penguins breed on Antarctica's beaches: Adelie and Emperor. Penguins are sea birds and live at sea.
Several types of penguins breed on Antarctica's beaches. These sea birds live otherwise, at sea. Your definition of 'contribute' is unclear.