Spring is the time for frogs. It is the time when the singing for mating activity in lakes as well as in biological pools begin. But not all amphibian species wait until spring. The Western Spadefoot, Pelobates cultripes, is an example of these. This species starts looking in autumn for waters as birthplace for the next [...]

It is now, in the months of September and October, when we come across birds by the biological pool that are not there for most time of the year. They are small, not very shy and do what the resident birds do not know how to do, they are perching or climbing a reed [...]

"Piscinas biológicas", what means Biological pools, is a brand of great value and reputation in the country. Piscina biológica, our expression invented almost 30 years ago with the intention of finding a name for our product and since then associated with the work of an experienced team designing high quality projects. The product is [...]

The few freshwater species that exist in Portugal live in streams or flowing rivers, in other words, in conditions that are very different from those of a biological pool. Almost all of them are registered in the Red List, because they are rare and the destruction of their habitat and/or the pollution of streams [...]

The mere fact that amphibians sing, especially frogs, is widely known. Frogs in biological pools are no exception. But why do they sing? The season of most concert activity is obviously spring. For many of the species there is a direct link between water temperature and song intensity. Singing takes a lot of energy [...]