Which of these is an opinion? A The Midway Atoll is three small islands surrounded by a ring of coral reef and is home to 3 million birds.
B Wisdom, an albatross with a wingspan of nearly 6.5 feet (almost 2 meters), is the world's oldest known living wild bird.
C Bird biologist Chandler Robbins first spotted Wisdom in the Midway Atoll in Hawaii in 1956.
D It's more surprising that Wisdom hatched a chick at age 68 than it is that she has lived to be 68 years old.