10. A DEADLY GAME OF HIDE-AND-SEEK

As spring arrives, the better weather brings new dangers in the form of petrels - scavenging birds with wingspans of up to 7ft - which prey on isolated chicks. Snow Chick is an obvious target. Now it's up to the maiden aunts to keep the little ones safe while the parents are away looking for food. Luckily, Snow Chick's soft plumage is starting to moult - so an attacker gets only a mouthful of fluff. It gives the chick a chance to dodge behind his child-minders in a deadly game of hide-and-seek, which ends when the predator goes in search of easier scraps