Archives for category: Animals

A human-sized lobster that lived 480 million years ago used spiny limbs to sieve food from the sea like some modern whales. BBC News

A cat’s purr begins in its brain, with neural oscillation (rhythmic or repetitive neural activity) that makes the laryngeal muscles twitch. This makes the vocal cords separate as the cat breathes, creating a purr.
Cats purr when they are happy, when they want to communicate with us, or when they are frightened or in pain.
I am typing this round a purring cat…

Giraffes have blue tongues, which may protect against sunburn, and the tongue is around 20 inches long

Dogs can suffer from OCD (obsessive compulsive disorder), with symptoms like repetitive shadow stalking or hours of paw chewing, and scientists have tracked down four genes behind this.

Elephants seem to show empathy, but they also get distressed when they see another elephant in trouble, and will reach out in consolation.

Hydra magnipapillata, a tiny freshwater polyp, could live for up to 1400 years

Following a chemical ban in 2008, fewer female sea snails are developing male sexual organs, known as imposex.

A dog can learn how another dog feels by the direction that its tail wags. A wag that tends to the left suggests anxiety, and one to the right suggests happiness, though it’s unlikely that we will spot it because the wag is too fast.

A blind crustacean that lives in underwater caves uses venom to liquify its prey. This is the first venomous crustacean discovered.

Some dogs can instinctively predict when someone is about to have an epileptic fit – dogs can also be trained to do this.

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