[["There are at least twenty-eight types of gull species seen in North America and more than 50 documented species found all over the world.", 9.0], ["There are about 50 species of gulls, with most in the genus Larus. They are often known as seagulls, though no species is actually called a seagull, and many are found far from the sea.", 3.0]]
how many species of seagulls are there
animals,birds,parakeets