Regardless what you might think of spiders, once you find out a bit about their behaviour it's hard to deny that they are at the very least, interesting animals.
If you're lucky enough, you may have seen a peacock displaying to a female. It's an impressive event to witness: the peacock spreads and ruffles his enormous, brightly coloured tail feathers for a female, who, after checking him out, may choose to mate with him or not.
It is well known that animals are affected by human noise pollution. For example, dark-eyed junco birds that live in cities sing both louder and with a different song than their countryside counterparts.
Lab experiments have borne out a long-suspected theory