How These Animals Lost Their Heads

How These Animals Lost Their Heads (And Bodies, and Butts)

You'd think that there are some features that, once an animal group evolved to have them, could never really go away, right?

How These Animals Lost Their Heads (And Bodies, and Butts)

Most molluscs do have heads, but bivalves break the mold. See, they evolved from ancestors with heads, but then lost them somewhere along the way.

How can animals continue to move and live after they lose their head?

As long the spinal cord is intact a lot of motor nerves can keep on going after losing their head. There are some reflexes that don't require ...

Headless animals: Can animals survive without their heads? Here's ...

Mike holds the record for the longest chicken to survive without a head, but he is not the only one. It is not uncommon for neurons to continue ...

Which animal's head remains alive even if cut off? - Quora

There was a chicken which had most of its head chopped off but the brain stem remained so it continued to live as long as it was fed manually ...

Why don't most animals have "heads" in the middle of their bodies?

We generally define a "head" as something that comes at the top/front of the body. I think that, we're likely to ignore examples of animals ...

Even after one animal's head is chopped off their body still shakes ...

Even after cutting of their head their body still shakes not because of the brain or any other such organ is making signals for it to move ...

10 Animals Who Amputate Parts of Their Body - Listverse

1 Sea Slug Decapitation ... Decapitation tends to be fatal for most animals. We all need our heads, after all. For a couple of species of sea ...

Animal Loses Head But Remembers Everything - NPR

It's called a planarian. It's about an inch long, and you'll find it gliding along the bottoms of rivers and ponds all over the world. It's very ...

How can an animal live without a head / brain?

But why does the same not happen to other species or animals? (As ... However, when the head is cut off from a chicken, snake ( also ...

Battling Animals: Real Head Traumas and Fake Fierceness

Headbutting animals may suffer the same kind of traumatic brain injuries that humans do. By studying them, we may learn how to improve our ...

Horned Animals Damage Their Brains By Head-Butting Each Other ...

Scientists have found that horned animals like muskox or bighorn sheep that head-butt each other do not escape unharmed and can end up with concussion and ...

How These 4 Animals Can Regenerate and Why Humans Can't

... all of their missing body parts. “To regenerate things along ... If they're beheaded, they can even grow their head back. “Those guys ...

How Tiny, 'Immortal' Hydras Regrow Their Lost Heads | Smithsonian

Though earlier studies have uncovered some of the secrets behind hydra tissue regeneration, researchers are still looking for answers about how ...

The animal that regrows its head - BBC

The animal that regrows its head ... Could a sea creature with unusual regenerative powers show humans how to do the same? Tracey Logan reports.

The origin of tetrapods - Understanding Evolution

As these animals evolved to live on land, other changes in the rest of their bodies evolved. Many would eventually lose their gills, which only work well for ...

These sea slugs cut off their own heads and grow a whole new body

Most animals can't lose their bodies and still survive. Two species of sacoglossan sea slugs definitely aren't most animals. A team of ...

Starfish Are Walking Heads with No "Bodies" | SYFY WIRE

For most animals, you can easily tell head from tail, but with Starfish and other echinoderms like sand dollars and urchins, they're all ...

Sparrows with back of skull and brain missing | BirdForum

It could be the work of a stoat or weasel. These animals will bite into the skulls of prey to kill them off. It's the way they dispatch of ...

How Animal Captivity Affects Mammals' Brains, Behavior, and Health

As an animal's brain changes, so do their behaviors. The primary change is that animals lose some of their natural behaviors including food- ...