monk seal造句怎么写

In China, conservation efforts have already failed to protect the Yangtze River dolphin, the first large aquatic mammal to go extinct since the Caribbean monk seal in the 1950s.

Indeed, scientists often give monk seals android-sounding names to reinforce the idea that the animals aren't human.

The disappearance of the baiji would be the first instance of a large aquatic mammal being driven to extinction since hunting killed off the monk seal around1952.

In the 1950s, the Caribbean monk seal was hunted to extinction.

Jeff Walters: The total population of Hawaiian monk seals is currently about 1, 100 seals.