the mass stranding of 160 melon-headed whales on two beaches in japan has triggered fears of upcoming earthquake and tsunami .
the fears appeared to be based on the appearance of 50 melon-headed whales six days before the devastating undersea earthquake in 2011 that caused a tsunami and left 19,000 people dead .
now scientists have filmed the behaviour of wild animals in peru - such as pumas and razor-billed curassow birds - ran .