You can learn a lot from your chicken's droppings! Here are some examples of what they might look like and what the different appearances mean:
The first image shows a good solid healthy dropping - nothing to worry about here.
When the chicken is young and starting to lay, occasionally an egg will not form correctly and this is passed by the chicken and looks like a wet, yellow dropping. See the second image.
The third image is nothing to worry about either probably just a spot of diarrhoea often caused by the chicken over indulging on slugs and worms.