The spider with the happy face!!!

The spider, which measures just a few millimetres across, has developed bizarre markings giving the appearance of a smiling face. 

Scientists think the spider, which has the scientific name Theridion grallator and is harmless to humans, has evolved the patterns to confuse predators.

It is under-threat of extinction in the rainforests of the Hawaiian island chain in the Pacific. More...

See also:

1. The man who lives with 50000 spiders!!!
2. Spider casts "net" to entangle its victim...
3. Confined to a wheel-chair for 20 years, he walks again ... thanks to a spider!!!