Jaguar, polar bear.
if a species is declining then the species that eats that one has less food and will decline fast as well
All three species of manatee are listed by the World Conservation Union as vulnerable to extinction.
As of now, the polar bear is a vulnerable species, not on the endangered species list, as some populations are increasing.
Of the six species of Sea Lions, 2 species are listed as endangered and one is listed as vulnerable; the other three are not considered to be in any danger of extinction.
The population sizes of a species is directly coordinated with the size of the island. A large island close to shore would have a low extinction rate and a successful immigration rate from animals coming over from the mainland.
immigration, emmigration, and extinction events.
The smaller the island the fewer species that can live there. The smaller their populations can be the more vulnerable they are to further disturbance or climate change.
they are vulnerable to extinction
Saving vulnerable species is a role.
Pandas have been listed as endangered because people have been hunting them and they are close to extinction.
None - and that is why the vulnerable quokka is able to survive there so well.