9 More Animal Facts That Hit Hard

1. Giraffes have the same number of neck bones as humans.
Both have seven vertebrae in the neck — giraffes’ are just much bigger.

2. A snail can sleep for up to three years.
In very dry conditions, some snails enter a deep sleep to survive.

3. Crows hold grudges.
They remember human faces and can pass “bad” faces on to other crows.

4. Penguins propose with a rock.
Some male penguins look for the “perfect” pebble to offer a female.

5. Sea otters hold hands when they sleep.
They do it so they don’t drift apart while floating in the water.

6. Koalas have fingerprints like humans.
Under a microscope, their prints can be confusing even for forensic experts.

7. Some goats faint when they get scared.
“Fainting goats” have a genetic condition that stiffens their muscles.

8. Parrots name their babies.
Wild parrots use specific calls that function like names for their chicks.

9. Axolotls can regrow entire limbs — even parts of their heart.
Their regeneration skills are so strong scientists study them for medicine.