Who says you need studio-quality camera equipment to capture fascinating animal behaviours up close? We used an iPhone 4S with an olloclip lens attachment to film this snail mating ritual in amazing detail. And we didn't have to go much farther than a backyard garden. Cue some snail seduction...

Leaf litter is a hot commodity on the mangrove forest floor, especially for sesarmid crabs who can hear them fall, even when deep inside their burrows. Above ground, the prized leaves are aggressively fought over, as you'll see in our latest iPhone Film.