Our Fortnight Focus Challenge on NiF Hive is gaining momentum with some amazing photographs for its second theme – Camouflage. An interesting and humbling exercise, this – finding creatures big and small using their gifts of stealth and disguise to optimise their chances of survival in the wilderness. 

Click through the photostory (above) to see our top picks.

A big shout-out to everyone who contributed, and a definitive invitation to those who haven't yet to join in for the next. Our current challenge is ongoing until February 28, 2018. And it's been a delight so far in terms of submissions: Upside Down. Get to it, people.