Livyatan - Wikipedia
It was a member of a group of macroraptorial sperm whales (or "raptorial sperm whales") and was probably an apex predator, preying on whales, seals and so forth. Characteristically of raptorial sperm whales, Livyatan had functional, enamel -coated teeth on the upper and lower jaws, as well as several features suitable for hunting large prey.
Macroraptorial sperm whale - Wikipedia
Macroraptorial sperm whales were highly predatory whales of the sperm whale superfamily (Physeteroidea) of the Miocene epoch that hunted large marine mammals, including other whales, using their large teeth. They consist of five genera: Acrophyseter, Albicetus, Brygmophyseter, Livyatan and Zygophyseter. [1] .
Basilosaurus - Wikipedia
Basilosaurus (meaning "king lizard") is a genus of large, predatory, prehistoric archaeocete whale from the late Eocene, approximately 41.3 to 33.9 million years ago (mya). First described in 1834, it was the first archaeocete and prehistoric whale known to science. [2] Fossils attributed to the type species B. cetoides were discovered in the ...
Do Whale Have Predators? | History and Overview
Here are the main predators that whales face in the ocean. Humans have hunted whales for many millennia. During the mid 17th – 20th centuries (the whaling era), large numbers of whales were being hunted for their raw materials.
Behold Livyatan: the sperm whale that killed other whales
2010年6月30日 · In today’s oceans, killer whales hunt other species of whales, working in packs to take down their much bigger prey. But living whales have it easy. Those that swam off the coast of Peru...
Macropredatory sperm whales - Earth Archives
Although living sperm whales focus on squid, ten-million-year-old fossils from Peru show that ancient sperm whales were top predators. They ate primarily marine mammals, and filled niches once occupied by mosasaurs and currently filled by orcas.
Pictures and Profiles of Prehistoric Whales - ThoughtCo
2018年2月28日 · Over the course of 50 million years, beginning in the early Eocene epoch, whales evolved from their tiny, terrestrial, four-legged progenitors to the giants of the sea they are today. On the following slides, you'll find pictures and detailed profiles of over 20 prehistoric whales, ranging from A (Acrophyseter) to Z (Zygorhiza). Acrophyseter.
Do Killer Whales Have Predators | Can Anything Kill Orca?
When it comes to predator/prey relationships, the killer whale is an apex predator and isn't known to have natural predators. That is except humans, parasites, and diseases, which can significantly affect a killer whale's health.
Prey items and predation behavior of killer whales
2012年1月30日 · Killer whales are apex predators with high energy requirements that can result in conflicts with human interests due to competition with commercial fisheries and interactions with endangered species. Therefore, there is a need to understand killer whale ecology, distribution, abundance, and evolutionary history to inform management and ...
Killer whales: Current Biology - Cell Press
2023年6月19日 · Killer whales are the ocean’s apex predator, with no natural predators of their own. Killer whales are the only marine mammal that regularly feeds on other marine mammals. Killer whale groups have been observed attacking and eating the world’s largest animal, the blue whale ( Balaenoptera musculus ), as well as other top predators like ...