11.   The animal also suffers from a low reproductive rate.

12.   The pandas also suffer from a low reproductive rate.

13.   The tiger, a little smaller than the Northeast China tiger, has been dying off due to environmental destruction, hunting and its low reproductive rate.

14.   The East African Wildlife Society is meanwhile calling for a study of reproductive rates, numbers, and survival rates before any lifting of the ban.

15.   The Japanese argue that cutting open the whales is essential to study their reproductive rate and age and also the effects on them of marine pollution.