Transcript
KXKC57hu_E8 • The Whale That Could Walk | NOVA | PBS
/home/itcorpmy/itcorp.my.id/harry/yt_channel/out/novapbs/.shards/text-0001.zst#text/0999_KXKC57hu_E8.txt
Kind: captions Language: en [Music] in 1978 Philip went to Pakistan to search for prehistoric horses instead his team Unearthed the remains of a mysterious creature the team named the strange animal pacus it's about 50 million years old when Philip took a closer look he spotted something unexpected in the creature's ear so when you look at this covering bone covering the ear it's very dense it's thickened it has a sloping surface on this side and in modern mammals those are only found in whales and why to enable them to hear in water this ear bone unique to whales and dolphins helps them locate the direction of sounds underwater it's proof of pacus pedigree this bone was the key to understanding that pacus is a whale well that made it the oldest fossil whale anybody ever found it was groundbreaking and as they discovered more pacus fossils they realized something else this whale could walk pacus is an animal a little bigger than a wolf probably built of approximately like a wolf it has teeth like a carnivorous mammal but unlike a wolf that has claws on the ends of its toes pacus had tiny [Music] Hooves pacus was a carnivore that hunted on land but its Anatomy suggests it had adapted to living in water its long snout full of sharp teeth also allowed it to probe shallow riverbeds for prey its eyes were squeezed onto the top of its head so it could keep watch while [Music] swimming and some scientists think markings on its foot bones are evidence it had webbing between its toes allowing it to hunt underwater and of course it didn't take long until they moved into the water more permanently pacus marks the beginning of an eventful Journey from land animals to today's gigantic whales