one can not watch one that moves fast. endangered also.
They live in difficult terrain, and are very secretive and retiring.
Leopards are carnivorous so they eat meat.
They are a top predator so they hunt what they eat.
The Amur leopard is critically endangered, with 30 or so left in the wild. Threats to leopards are poaching, and habitat loss.
Scientists do not observe Mercury as often because it is difficult to do so.
there could be less than 20 left in the wild
i have no idea
Leopards have a spine, so are vertebrates.
no cheetahs can attack leopards or jump on them and kill them so cheetahs are not afraid of leopards
If I understand your question correctly, you want to know how old snow leopards get? In captivity a snow leopard is known to live to 21 years old. But, in the wild it would be harder to live, so the life span could vary.
The word for a group of leopards is 'leap.' So, you could say, 'a leap of leopards.'
There are a lot of leopards, but, we are not certain of how many of them are there. For example: there are approx. 23,664 leopards in South Africa. So they say.