There's no trick photography in these brain-boggling images — just normal objects hiding in plain sight.
Can you spot the birdie (or anything else) in these seven crafty photographs?
Scroll to the bottom for the answers... but no cheating!
1. Keep your eyes peeled to spot the hidden object
2. What's out there in the grass?
3. Where on earth (or grass) could it be?
4. Are you observant enoug to see him?
5. Time to get out your mental magnifying glass
6. Is everything as it seems here?
7. Look closer and closer still
1. A squirrel pops his head over rocks at the bottom right.
2. The barrel of a sniper’s rifle points left from the centre of the picture.
3. Butterfly disguised as rock.
4. Mushroom grows on forest floor near base of tree root on the right.
5. Owl hides in front of illustration.
6. IPad in cover on leather car seat.
7. A puddle reflects in the side of a gleaming motor – its tyre is only clue.