Since we don't even know if Amargasaurus is even extinct at all, it's hard to say, so far theres only speculation. Some say it is extinct and some say it never went extinct and might exist today.
Yes, Argentavis magnificens went extinct in the late Miocene period.
Yes, the Argentavis which was basically a bird had to be a giant so that it would be able to catch the horse.
Why did the dinosaurs go extinct? Humans will never go extinct!
Missouri is a state - it is not a living thing so it cannot go extinct.
They are not extinct...
they are not extinct yet.
150 MPH or 240 KM/H
The largest species of waterfowl ever is believed to be the extinct Argentavis magnificens, a giant bird that lived approximately six million years ago in South America. Argentavis had a wingspan of up to 23 feet (7 meters) and weighed around 150 pounds (68 kilograms). It is classified as a member of the teratornithids, a group of large flying birds. While not a traditional waterfowl, its size and some ecological habits link it to water-related environments.
It has NEVER been extinct.
They are not expected to become extinct.
if they go extinct then the things that they eat will get over populated.
hippos didn't go extinct because they are still producing