Quick Answer: Are Any Animals Blind?

Which animal has no ear?

Newts, salamanders and snakes all lack ears, yet can hear.

But they are not animals.

Harp, Leopard, Harbor and other types of seals lack pinnae, the portion of ears that stick out, so they appear to have no ears..

Which animal has best memory?

Sorry, elephants: Dolphins have taken the top spot for best memory, at least for now. New experiments show that bottlenose dolphins can remember whistles of other dolphins they’d lived with after 20 years of separation.

Which animal will sleep without closing eyes?

Scientists in South Africa say the fruit bats are the first non-marine mammals in which this type of sleeping has been reported, and write that about 21% of bats observed appeared to sleep with one eye open, keeping their closed eye hidden under their wing.

What animal has 800 stomachs?

Etruscan shrewClass:MammaliaOrder:EulipotyphlaFamily:SoricidaeGenus:Suncus12 more rows

Do any animals not have eyes?

Animals without eyes can typically be found living in caves, dark waters, underground, and other environments where not much light can be found. Other critters are just hit with a stroke of misfortune when life causes the average, fully ocularly-equipped animal to be born without eyes.

What animal has green blood?

Credit: Photo by Chris Austin, LSU. Green blood is one of the most unusual characteristics in the animal kingdom, but it’s the hallmark of a group of lizards in New Guinea. Prasinohaema are green-blooded skinks, or a type of lizard.

Which animal has better vision than humans?

Eagles. All birds of prey have excellent long-distance vision, but eagles stand out. They can see clearly about eight times as far as humans can, allowing them to spot and focus in on a rabbit or other animal at a distance of about two miles.

Which animal can see with closed eyes?

skinksA very strange characteristic of skinks is that they can see with their eyes closed. While burrowing or eating insects they close their eyes. They have a permanent transparent eye lid cover over their eyes with which they close their eyes. As this lid is transparent skinks can see with their eyes closed.

What animal has 8 hearts?

Explanation: Currently, there is no animal with that amount of hearts. But Barosaurus was a huge dinosaur which needed 8 hearts to circulate blood upto it’s head. Now, the maximum number of hearts is 3 and they belong to the Octopus.

What animal is deaf?

Octopi, squids, and cuttlefish (coleoid cephalopods): All are truly deaf, completely lacking any kind of acoustic receptors. Sea lions: The Brookfield Zoo near Chicago, IL, has a deaf sea lion named Harley. Snakes: In the early 1950s, there were newspaper reports that “research” had shown snakes to be completely deaf.

What has an eye but no head?

Answer Expert Verified needle, cyclone, potato etc… have eye but no head….

Which animal has no heart and brain?

jellyfishFor example, jellyfish are interesting sea creatures that have managed to survive on Earth for around 650 million years without a brain, heart, or blood.

What animals Cannot see?

Totally blind speciesSome moles (the star-nosed mole can detect, catch and eat food faster than the human eye can follow; under 300 milliseconds)Sinopoda scurion (blind huntsman spider)Thaumastochelidae (blind deep-sea lobsters)Blind cave fish.Cave crickets.Texas salamanders.Blind flatworms.More items…

What animal has no brain?

Sponge Brains Almost all animals have a brain, but there are a few exceptions. There is one organism that has no brain or nervous tissue of any kind: the sponge. Sponges are simple animals, surviving on the sea floor by taking nutrients into their porous bodies.

What animal has 32 brains?

Leeches2. Leeches have 32 brains. A leech’s internal structure is divided into 32 separate segments, and each of these segments has its own brain. In addition to that, every leech has nine pairs of testes — but that’s another post for another day.

What animal has 7 hearts?

Hagfish. Who knew such a nasty creature could have so many hearts? The hagfish has four of them, one main three-chambered systematic heart and three accessory pumps.

What animal can see you if you don’t move?

T-RexWhy the T-Rex Can’t see you if you don’t move.

What is the tallest animal in the world?

GiraffesGiraffes are the tallest animals in the world. Males can grow up to 18 feet (5.5 meters) tall, females can reach 14 feet (4.3 meters) tall and their babies, called calves, are born six feet (1.8 meters) tall. Calves can grow up to an inch a day.

Which animal has the most beautiful eyes?

Top 10 Most Amazing Eyes In The Animal Kingdom8 Hammerhead Shark. … 7 Cuttlefish. … 6 Goat. … 5 Gecko. … 4 Dragonfly. One of the amazing things about dragonflies is their large globular eyes. … 3 Owl. Owls have very interesting, large front facing eyes. … 2 Chameleon. Chameleons are so famous for their color changing ability. … 1 Mantis Shrimp.More items…

Do giraffes have 2 Hearts?

Three hearts, to be exact. There is a systemic (main) heart. Two lesser hearts pump blood to the gills where waste is discarded and oxygen is received. They work like the right side of the human heart.

Which animals have the worst eyesight?

5 animals with the worst visionRhinoceroses. This beast of the African Savannah is most well-known for its impressive horns, and it’s often depicted charging targets with incredible speed. … Bats. Contrary to popular opinion, bats aren’t blind. … Bulls. … Deep sea fish. … Moles.