Mankind over hunts you or over collects you for his own use. then mankind destroys your habitat and food sources as well as pollutes your water sources. you are then endangered!
they become endangered in 2099.
they started to become endangered when global warming had started to increase
They are listed as vulnurable or threatened, not endangered.
Peacocks and peahens are not endangered.
they become endangered when the food they eat is scarce.
Yes. There are five endangered species now. Twelve are not endangered.
cougars are not endangered,save for the Florida race.
Not entirely. But they might become endangered soon.
The Nile crocodile is not endangered.
It was endangered in 1997.
it has just become endangered http://www.environment.nsw.gov.au/determinations/BlueWhaleEndSpListing.htm
It become endangered when people started hunting and killing the animal too much.