That is a hard one and I am tempted to say humanity but we are still around for now and maybe a while yet (and ethically religiously I do not see
humans as animals though rather confusingly I believe all life has soul).
So for me I suppose it has to be a toss up of the two following species.
The Haas Eagle, this terrifying bird could and probably did actively predate humans as it's natural prey was the giant flightless new Zealand
bird's (As has been pointed out by BigfurryTexan some of the flightless species were not something you would want to meat essentially re evolving
into raptor like dinosaur like predators).
And second the much longer extinct Argentavis Magnificens which was large enough to carry a fully grown steer away in it's talons.
But it was knocked off it's pedestal by this.
Perhaps the largest bird ever to have flown that we know of found in Carolina when they were building an extension to the airport
But in truth they are merely for me among the most interesting and frightening but I would certainly not want one as a pet, but imagine the
drumsticks on that.
To add to some of the weird extinct creatures though, here's a Sthenurus. A larger, extinct kangaroo-like species of which doubled the size of its
extant counterparts. It became extant around 30,000 years ago in Australia.
Hands down Therapsids. They're reptilian proto-mammals! Most representations look like weird fat naked hippo-geckos, but because of their soft
tissue we'll never really know the complexities of their forms.
a reply to: Ericthedoubter
Yeah good one the short faced bear was definitely encountered by human's, it would run faster than a horse and was probably the largest land
predator that man ever encountered as well as one of the most fearsome.
A truly terrifying prospect.
The independent and lonely hunter Martin David is hired by the powerful biotech company Red Leaf to hunt down the last Tasmanian tiger. Red Leaf is
interested in the DNA of the animal and Martin travels to Tasmania alone. He poses as a researcher from a university and lodges in the house of Lucy
Armstrong. Martin learns that Lucy's husband has been missing for a long time and he befriends her children, Sass and Bike. When Martin goes to the
village, he has a hostile reception from the locals. Along the days, Martin spends his days in the Tasmanian wilderness chasing the Tiger and becomes
closer and closer to the Armstrong family. But Red Leaf wants results no matter the costs.
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