Nick Upton / Feral horse (Equus caballus) walking on a remote sandy beach, near Arta, Mallorca, Spain, August.

Kristel Richard / Lady riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. Tourists are trying t...

Kristel Richard / Portrait of a grey Andalusian stallion, in Ciutadella, Menorca, Spain.

Rick Tomlinson / SY "Adele", 180 foot Hoek Design, at the Superyacht Cup Palma, October 2005 Non editorial uses must be cleared individually.

Rick Tomlinson / SY "Adele", 180 foot Hoek Design, at the Superyacht Cup Palma, October 2005 Non editorial uses must be cleared individually.

Rick Tomlinson / SY "Adele", 180 foot Hoek Design, at the Superyacht Cup Palma, October 2005 Non editorial uses must be cleared individually.

Inaki Relanzon / A woman walking up steps in a Mediterranean town. Ibiza Island, Balearic Islands, Spain.

Edwin Giesbers / Star clover (Trifolium stellatum) flower with pink flower in background, Menorca, Balearic Islands, Spain

Edwin Giesbers / Yellow horned poppy (Glaucium flavum) close up of pistil and stamens, Menorca, Balearic Islands, Spain

Edwin Giesbers / Green lacewing (Chrysopa septempunctata) with reflection on glass, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Brown-lipped / Grove / Banded snails (Cepaea nemoralis) on plant stem, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Sea holly (Eryngium maritimum) growing in sand dune, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Egyptian locust (Anacridium aegypticum) Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Star clover (Trifolium stellatum) flower, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Alkanet flowers (Anchusa sp) Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Tassel hyacinth (Muscari comosum) flower, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Balearic orchid (Ophrys balearica) flowers, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Wild gladiolus (Gladiolus illyricus) flowers, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Rose garlic (Allium roseum) Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Rose garlic (Allium roseum) flowers, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Borage (Borago officinalis) flowers, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Borage (Borago officinalis) flower backlit, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Convolulus flower (Convolvulus sp) Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Crown daisy flower (Glebionis coronarium) Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Crown daisy flower (Glebionis coronarium) Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Beetle on petal of Crown daisy flower (Glebionis coronarium) Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Map lichen (Rhizocarpon geographicum) on rock with (Hyoseris radiata) flower, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Close up of Wild gladiolus flower (Gladiolus illyricus) Menorca, Balearic Islands, Spain

Edwin Giesbers / Close up of Wild gladiolus flower (Gladiolus illyricus) Menorca, Balearic Islands, Spain

Edwin Giesbers / Map lichen (Rhizocarpon geographicum) on rock and (Hyoseris radiata) flower, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Map lichen (Rhizocarpon geographicum) on rock, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Tuberous hawkbit (Leontodon tuberosus) bud, abstract, Menorca, Balearic Islands, Spain, Europe

Edwin Giesbers / Mediterranean thistle (Galactites tomentosa) Menorca, Balearic Islands, Spain, Europe

Juan Manuel Borrero / Sea rushing over rocks on the Es Caló coast, Formentera, Balearic Islands

Albert Lleal / SEM close-up view of foraminiferans, molluscs and other bryozoans found on beach in Formentera, Balearic Islands, Spain

Albert Lleal / SEM close-up view of a skeletal fragment of a Bryozoan colony at 35x magnification that came from a beach in Formentera, Balearic Islands, Spain

Albert Lleal / SEM close-up view of a skeletal fragment of a Bryozoan colony at 21x magnification, came from beach in Formentera, Balearic Islands, Spain

Albert Lleal / Electron microscope view of bryozoan colony fragment isolated from beach sand, Formentera, Balearic Islands, Spain

Francis Abbott / Aerial view of Cavalleria beach + coastline, Minorca, Balearic Is, Spain

Francis Abbott / Cala Macarelleta bay with boats, Minorca, Balearic Is, Spain

Francis Abbott / Son bou beach, Minorca, Balearic Is, Spain

Francis Abbott / Cala Pregonda beach, Minorca, Balearic Is, Spain

Francis Abbott / Cala trebaluger bay, Minorca, Balearic Is, Spain

Nick Upton / Audouin's gull (Ichthyaetus audouinii / Larus audouinii) scavenging on a beach near sunbathing tourists, Mallorca, Spain, August.

Nick Upton / Audouin's gull (Ichthyaetus audouinii / Larus audouinii) in flight overhead, Mallorca, Spain, August.

Nick Upton / Audouin's gull (Ichthyaetus audouinii / Larus audouinii) drinking seawater on a rocky shore, Mallorca, Spain, August.

Nick Upton / White-banded digger bee (Amegilla quadrifasciata), hovering as it nectars on Lantana flowers, Mallorca, Spain, August.

Nick Upton / Palm moth (Paysandisia archon) resting on palm leaves, Mallorca, Spain, August.

Nick Upton / European fan palms/ Mediterranean dwarf palms/ Dwarf fan palms (Chamaerops humilis) growing among limestone rocks on cliff edge, near Arta, Mallorca, Spain, August.

Nick Upton / European paper wasp (Polistes dominula) colony at their nest on a large cactus, Mallorca, Spain, August.

Hans Glader/ BIA / Sardinian Warbler (Sylvia melanocephala) male, Mallorca, Spain

Hans Glader/ BIA / Sardinian Warbler (Sylvia melanocephala) male calling, Mallorca, Spain

Ralph Martin/ BIA / Balearic Warbler (Sylvia balearica) male, Majorca, Spain

Sebastia Torrens/ BIA / Osprey (Pandion haliaetus), Mallorca, Spain

Andy Sands / Hummingbird hawkmoth (Macroglossum stellatarum) in flight feeding with long proboscis on Lantana flower, Menorca, Spain, July

Andy Sands / Hummingbird hawkmoth (Macroglossum stellatarum) in flight feeding with long proboscis on Lantana flower, Menorca, Spain, July

Andy Sands / Hummingbird hawkmoth (Macroglossum stellatarum) in flight feeding with long proboscis on Lantana flower, Menorca, Spain, July

Oriol Alamany / Sea cliffs and Aleppo Pine forests (Pinus halepensis) in Cap des Rubio from Na Xamena, Port of Sant Miquel, Ets Amunts, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Olive tree (Olea europaea) in Sant Mateu d'Aubarca, Ets Amunts, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Rural landscape in Sant Antoni de Portmany, Ets Amunts, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Harbour, Dalt Vila and sa Marina en Eivissa city, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Fortified city of Dalt Vila, Ibiza city, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Morning Glory (Calystegia soldanella) in the dunes of es Cavallet beach, Las Salinas (Ses Salines) Natural Park, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Ibiza Wall Lizard (Podarcis pityusensis) Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Es Vedranell and es Vedra' islands seen at dusk from Cala d'Hort, Ibiza, biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Santa Eularia church in Santa Eularia d'es Riu, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Rocky coast in Ses Platges des Compte, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Sunset over the Mediterranean Sea with Bledes islands, from Compte beach, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / Small fishing boat in distance below Es Vedrà island at dusk, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Oriol Alamany / European beachgrass (Ammophila arenaria) growing in the coastal dunes of es Cavallet beach, Las Salinas (Ses Salines) Natural Park Ibiza, biodiversity and culture UNESCO World Heritage Site, Ibiza, Sp...

Oriol Alamany / Ancient Phoenician juniper tree (Juniperus phoenicea) growing on the beach at Es Cavallet, Las Salinas (Ses Salines) Natural Park, Ibiza biodiversity and culture UNESCO World Heritage Site, Spain.

Enrique Lopez-Tapia / Islet of Es Vedrà, at sunset, Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February 2008.

Enrique Lopez-Tapia / Islet of Es Vedrà, at sunset, Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February 2008.

Enrique Lopez-Tapia / Coast of Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February 2008.

Enrique Lopez-Tapia / Almudaina, Eivissa. Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February.

Enrique Lopez-Tapia / Almudaina, Eivissa. Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February.

Enrique Lopez-Tapia / Cathedral of Eivissa. Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February.

Enrique Lopez-Tapia / Almond trees (Prunus dulcis) in bloom. Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February.

Enrique Lopez-Tapia / Almond trees (Prunus dulcis) in bloom. Ibiza, Biodiversity and Culture UNESCO World Heritage Site, Ibiza, Spain, February.

Angelo Gandolfi / Neptune grass (Posidonia oceanica) Western Mediterranean Sea, Ibiza UNESCO World Heritage Site, Spain.

Angelo Gandolfi / Neptune grass (Posidonia oceanica) Western Mediterranean Sea, Ibiza UNESCO World Heritage Site, Spain.

Angelo Gandolfi / Neptune grass (Posidonia oceanica) Western Mediterranean Sea, Ibiza UNESCO World Heritage Site, Spain.

Angelo Gandolfi / Pointed-snout wrasse (Symphodus rostratus) in Neptune grass (Posidonia oceanica) prairie, Western Mediterranean Sea, Ibiza UNESCO World Heritage Site, Spain.

Angelo Gandolfi / Schooling Damselfish (Chromis chromis) over Neptune grass (Posidonia oceanica) Western Mediterranean Sea, Ibiza UNESCO World Heritage Site, Spain

Angelo Gandolfi / Boat over on the Mediterranean sea with patches of darker waters showing beds of Mediterranean seagrass (Posidonia oceanica), Western Mediterranean Sea, Ibiza UNESCO World Heritage Site, Spain

Sebastia Torrens/ BIA / Audouin's Gull (Ichthyaetus audouinii) landing, Mallorca, Spain

Mathias Schaef / Audouin's Gull (Ichthyaetus audouinii), Mallorca, Spain

Holger Doernhoff / European Shag (Phalacrocorax aristotelis), Menorca, Spain

Ralph Martin / Purple Swamphen (Porphyrio porphyrio), Mallorca, Spain

Ralph Martin / Black-winged Stilt (Himantopus himantopus), Mallorca, Spain

Ralph Martin / Cory's Shearwater (Calonectris diomedea), Mallorca, Spain

Ralph Martin / European Shag (Phalacrocorax aristotelis), Mallorca, Spain

Ralph Martin / Red-legged Partridge (Alectoris rufa), Mallorca, Spain

Ralph Martin / Sardinian Warbler (Sylvia melanocephala), Mallorca, Spain

Ralph Martin / Common Quail (Coturnix coturnix), Mallorca, Spain

Ralph Martin / Common Raven (Corvus corax), Mallorca, Spain