Mmm. what?

 

I won't make you link.  Here's the best:

Don't run. Travel in groups. Carry an umbrella and wear sunglasses on the back of your head.

These are some of the ominous warnings issued in Australia each spring, as magpies and humans begin their annual turf war.

Streets and parks become a battleground, as the birds - descending from above and attacking from behind - swoop down on anything they fear poses a threat to their offspring.

High up in their nests, they rule over their kingdom with an iron claw, while on the ground, humans dust off their protective hats - traditionally a plastic ice-cream container - and duck for cover.