Carol, the bird expert in the family, tells me it was the best single day of bird-watching she's ever experienced.

And bird experts cannot yet point to any species they think is likely to become extinct.

From 1985 to 1990, Japanese bird experts estimate, Tokyo's crow population increased by 40 percent.

This calling has made him one of the foremost bird experts in the United States.

He's no more a bird expert than I am.

Still, Douglas Long, a bird expert, was amazed at the number of rare and unusual birds.

Living among and studying thousands of birds, he became a bird expert.

Since they tend not to travel far, bird experts say, it's almost certain that each of the colonies began independently.

He also said a letter from a bird expert working for the Botanical Garden failed to establish how many birds might be at risk.

When all five were circled, they presented the card to the bird expert to get their next clue.