1.   At the zoo, Nieves always ends his show with an unusual specimen.

2.   Like a pair of biologists with an unusual specimen, they cut them apart and made photocopies and enlargements.

3.   Recognizing it as an unusual specimen, he sold one half to a museum in Beijing, the other to one in Nanjing.

4.   Then, she had some of the native trees cut down and began planting and nurturing more unusual specimens.

5.   He even visited morgues to find unusual specimens.