For those bird owners who find it a hassle to carry around a cage this could be the solution. birds can breathe and move easily as the backpack is made from mesh. so bird owners, you can now take your bird for a walk.

A young grey squirrel - using all the flexibility and ingenuity of his species - demonstrates how to get round a supposedly squirrel-proof bird feeder.

Cyril the squirrel spotted the mouth-watering crackers at the bottom of a bird-feeder, he was consumed with a desire for a nibble.

The question was: How to get at them?