Beavers are listed as Least Concern by the IUCN. Not an endangered species.
human beigns
YES
Jellyfish are eaten by squid. I believe that this is the biggest threat that they face.
the market economy was the single biggest threat
Churchill thought that Hitler was the biggest threat in WW2
Biggest threat is a landowner with a 22 rifle or 12ga shotgun.
you are
a lion.
Itself
Humans and human activity are the biggest threat to humans.
Dragonflies biggest threat is birds, they some times eat dragonflies.
Fire.
Humans
what is the biggest threat to the power of plutonomy