Did you know that not all bears go into their dens in the winter? It all depends on the food supply in the autumn (when the bear accumulates fat) and in the winter (when there…
Did you know that the roots of a tree extend beyond its treetop? In the forest, the roots of the trees touch and intertwine, protecting the forest ground from slipping and erosion.
Did you know that bark beetles are polygamists? The male hollows out a cubbyhole in the spruce tree and invites the females into it. Usually, 2 or 3 respond. After fertilisation, they each dig their…
Did you know that not all flowers have colourful blossoms? Along the Ajdovski zid wall, in the Kobilji curek stream and in Lanišče, we may observe a flowering henbane bell in April, which has black-purple,…
Did you know that newts and fire-bellied toads have warning colours only on their bellies? In case of danger, a fire-bellied toad throws itself on the back, arches its garish belly and plays dead. Predators…
Did you know that unroofed caves are created because their ceilings become thinner and then collapse? One day this will happen to the Postojna Cave and it will look like a cave by the Roman…