dinosaurs and prehistoric animals sound tribute part 88 (made by Lachlan the Elephant)

本站添加: 2026-06-03

[00:00:00]one of its relatives. It's extinct.

[00:00:03]>> Megalodon lived in seas not so different from today until around 2 and 1/2 million years ago.

[00:00:12]For the most part, all we have of them >> [music] >> Megalodon shares the sea.

[00:00:18]This, of course, made the sea a much more dangerous place to be.

[00:00:26]>> [music] >> Measure And they did it millions of years earlier.

[00:00:38]A recent fossil discovery reveals they evolved Dean and his team named the new monster Icthyotitan.

[00:00:49]>> This new world How did they give rise to mammals just and the cynodonts?

[00:00:58]Others were starting to appear.

[00:01:04]The top predators of the late Trias Soon to be found in almost every corner of the globe, they are evidence of yet another play They also had relatively larger brains and more specialized teeth agile therascephalians.

[00:01:22]>> [music] >> of these little mammals with a single footstep.

[00:01:27]>> As had been the case for the therapsids in the extinct Freed from the gorgonopsian [music] threat, they took full advantage of available ecological niches and grew many times larger.

[00:01:38]Only two groups remained, >> [music] >> the dicynodonts and perhaps living together and interacting as a group.

[00:01:47]Modern day bears And in the fossil record, there's evidence that some new traits might have been developing.

[00:01:55]Gorgonopsians weren't the only ones developing new behaviors at this time.

[00:02:01]The Gorgonopsians [music] with their huge teeth, what was it about the dicynodont group that helped it survive the apex predators?

[00:02:13]But at the end of the Permian, Gorgonopsians disappear signaling another extinction crisis.

[00:02:21]Species from all five But the most fearsome was [snorts] still the anteosaurus.

[00:02:32]>> Though impressive specialized in hunting birds whatever This family groups together different [music] species including the common ancestor of all ratites, a small animal that lived in the shadow. Unlike moa, adult elephant birds had no predators.

[00:03:04]Despite their size, they >> [music] [music] [music] >> It's okay, it's dead.

[00:04:21]Nobody move a muscle.