原级：porpoise
1. Though the sheer number of finless porpoises is already smaller than that of giant panda, the species is under only Grade II conservation category in China.
2. porpoises
2. It is the first time he has heard of so many dead porpoises found within such a short period.
3. BEIJING - The life of Yangtze finless porpoises did not get better in 2011, despite growing public awareness to save the freshwater dolphin.
4. Authorities have planned the construction of more conservancy sites for finless porpoises, and a new artificial reproduction center will be built in three to five years.
5. porpoises
5. The porpoises stay in shallow waters close to the bank - waters with a soft or sandy riverbed - eating fish and shrimp.
6. danci.911chaxun.com
6. Busy ship traffic interferes with the sonar dolphins and finless porpoises use to find food.
7. Autopsies of dead porpoises from Poyang Lake reveal the animals'stomachs were empty, suggesting they could have starved.
8. WDCS researchers will also be on board to study conservation and welfare threats to whales, dolphins and porpoises.
9. They kill not only finless porpoises but also a large number of fish.
10. Scientists on Sunday began a survey of endangered finless porpoises in the country's largest river Yangtze.