21.   At least six of those birds had mates, and observers saw adult birds carrying food, a sure sign that nestlings were being fed.

22.   At the right time, in the right place, you can see birds building their nests, mating, hatching their eggs and feeding their young.

23.   Bell birds were so frequently encountered that one could count on seeing a bird, not every one would be nestled in amid camouflaging green foliage.

24.   Air-traffic controllers often see birds on their screens, appearing as blips that look just like airplanes.

25.   But besides Rocklands, there are many other places to see birds on the island.

26.   But no one saw the bird.

27.   Gary said OK, then later called to see if the man had seen any birds.

28.   He never saw the bird.

29.   If those marked birds are seen again, the location is noted and researchers add another point to their scattered collection of connect-the-dots data.

30.   If you look at the inset in the column from one angle, you see a bird.