Peter Schwarz/ BIA / Yellow Crab Spider (Thomisus onustus) camouflaged on flower, Dalmatia, Croatia

Marko Matesic/ BIA / Peregrine Falcon (Falco peregrinus), Istria, Croatia

Alex Hyde / Lesser horseshoe bat (Rhinolophus hipposideros) roosting in cave. Croatia. November.

Alex Hyde / Greater horseshoe bat (Rhinolophus ferrumequinum) roosting in cave. Croatia. November.

Alex Hyde / European House Centipede (Scutigera coleoptrata) found on the ceiling of a limestone cave. Photographed on a white background in mobile field studio. Plitvice Lakes National Park, Croatia. November.

Alex Hyde / Close up of head of European House Centipede (Scutigera coleoptrata) in limestone cave. Plitvice Lakes National Park, Croatia. November.

Alex Hyde / Canopy of a Beech woodland (Fagus sylvatica) in autumn through a circular fisheye lens. Plitvice Lakes National Park, Croatia. November.

Alex Hyde / Low angle view of Porcelain fungus (Oudemansiella mucida) growing on a dead Beech tree (Fagus sylvatica). Plitvice Lakes National Park, Croatia. November.

Alex Hyde / Water cascading over naturally formed tufa dam. Tufa is a kind of limestone, formed from the precipitation of carbonate minerals which builds up around mosses and water plants to form a solid limeston...

Franco Banfi / Sea star (Hacelia attenuata) on coral covered with mucilage, a symptom of rising sea temperature, Vis Island, Croatia, Adriatic Sea, Mediterranean.

Alex Hyde / European Cave Spider (Meta menardi) in limestone cave. Plitvice Lakes National Park, Croatia. January.

Alex Hyde / Cave Cricket female (Troglophilus cavicola) on the side of stalactite in limestone cave. Plitvice Lakes National Park, Croatia. January.