Under a rock in a garden:
* Insects: Ants, beetles, spiders, earthworms, millipedes, centipedes
* Small animals: Lizards, frogs, toads, snails, slugs
* Plants: Moss, lichen, small ferns
* Dirt and debris: Leaves, twigs, pebbles
Under a rock in a forest:
* Similar to a garden, but more: More diverse insects, including some that are poisonous or bite
* Larger animals: Snakes, salamanders, small mammals like shrews or voles
* Mushrooms and fungi: Especially if it's a damp forest
* More organic matter: Fallen leaves, dead wood
Under a rock on a beach:
* Sea creatures: Crabs, barnacles, starfish, sea anemones
* Seashells: Empty or inhabited
* Sand and seaweed
* Small stones and pebbles
Under a rock in a desert:
* Very few creatures: The desert is harsh, so most animals will be buried deep or under shade
* Scorpions: These can hide under rocks in the day and come out at night
* Lizards: Some lizards, like desert iguanas, will hide under rocks
* Sand and dust: Lots of sand and dust!
General things you might find:
* Other rocks: Rocks often form in layers or clusters
* Hidden treasures: Maybe an old coin, a piece of jewelry, or a special stone
* Something unexpected: The world is full of surprises!
Always be careful when turning over rocks. Some creatures can be venomous or bite, so watch out for snakes, spiders, scorpions, etc.