Doug Perrine / Dolphin fish / Mahi mahi / Dorado (Coryphaena hippurus) large male, off Isla Mujeres, near Cancun, Yucatan Peninsula, Mexico, Caribbean Sea

Mark Carwardine / Short-finned pilot whale (Globicephala macrorhynchus) juvenile swimming alongside mother, Sea of Cortez, Baja California, Mexico

Mark Carwardine / Short-finned pilot whale (Globicephala macrorhynchus) at surface, Sea of Cortez, Baja California, Mexico

Mark Carwardine / Short-finned pilot whale (Globicephala macrorhynchus) at surface, Sea of Cortez, Baja California, Mexico

Mark Carwardine / Short-finned pilot whale (Globicephala macrorhynchus) bow-riding in front of boat, Sea of Cortez, Baja California, Mexico

Mark Carwardine / Humpback whale (Megaptera novaeangliae) at surface, spouting, Sea of Cortez, Baja California, Mexico

Mark Carwardine / Short-finned pilot whale (Globicephala macrorhynchus) breaching, Sea of Cortez, Baja California, Mexico

Mark Carwardine / Pod of Short-finned pilot whales (Globicephala macrorhynchus) at surface, Sea of Cortez, Baja California, Mexico

Mark Carwardine / Sperm whale (Physeter macrocephalus) fluking, Sea of Cortez, Baja California, Mexico, Endangered

Mark Carwardine / Humpback whale (Megaptera novaeangliae) fluking - lifting the tail in the air before a dive, Sea of Cortez, Baja California, Mexico

Stephen Dalton / Black witch moth (Ascalapha odorata) in flight

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) swimming over a bait ball of Sardines, three ridges on forehead that distinguish the Bryde's whale from other mysticetes are prominently visible. Off Baja C...

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) with throat pleats expanded after engulfing part of a school of Sardines, off Baja California, Mexico (Eastern Pacific Ocean)

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) expelling air and water from mouth through baleen plates after engulfing part of a baitball of Sardines, Sardinops sagax, off Baja California, Mexico (Easte...

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) feeding on baitball of Sardines (Sardinops sagax) off Baja California, Mexico, Eastern Pacific Ocean. 4 in sequence of 5

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) feeding on baitball of Sardines (Sardinops sagax) off Baja California, Mexico, Eastern Pacific Ocean. 3 in sequence of 5

Doug Perrine / Female Bull sharks (Carcharhinus leucas) in seasonal breeding aggregation with Sharksuckers (Echeneis naucrates) Playa del Carmen, Cancun, Quintana Roo, Yucatan Peninsula, Mexico (Caribbean Sea)

Jeff Rotman / Blacktip shark (Carcharhinus limbatus) with symbiotic Pilot fish (Naucrates ductor) swimming below, Cocos island, Costa Rica - Pacific ocean.

Jeff Rotman / Whitetip Reef sharks (Triaenodon obesus) following scent trail in water column, Cocos Island, Costa Rica, Pacific Ocean.

Jeff Rotman / Whitetip Reef Sharks (Triaenodon obesus) following scent trail in water column, Cocos Island, Costa Rica, Pacific Ocean.

Jeff Rotman / Great White shark (Carcharodon carcharias) swimming with symbiotic Pilot fish (Naucrates ductor) and schooling Mackerel scad (Decapterus macarellus) Guadalupe Island, Mexico, Pacific Ocean.

Jeff Rotman / DeepSee diving submersible at water's surface, being towed, Cocos Island, Costa Rica, Pacific Ocean. Property released Model released.

Jeff Rotman / DeepSee diving submersible, Cocos Island, Costa Rica, Pacific Ocean Property released

Jack Dykinga / Roots of Fig trees (Ficus sp) growing in the collapsed Cenote Oxpeejool (sink hole), near Tekax, Yucatan, Mexico. Afternoon light illuminates the elongated cavern on the right. October 2009

Jack Dykinga / Stalagmites and stalactites in underground cavern with tourquise waters of Cenote Papakal (sink hole), near Merida, Yucatan, Mexico October 2009

Jack Dykinga / Cenote Samula (sink hole) with elongated roots of a Fig tree (Ficus sp) from ground level descending to the subterranian tourquoise coloured water below. Rays of sulight pass through the hole to illum...

Piper Mackay / Container freighter travelling through the Panama canal, Panama, November 2008

Patricio Robles Gil / Aerial view of coastal waters, Baja California, Mexico, April 2008

Patricio Robles Gil / Aerial view of Llano de Cachigui with water rivulets following heavy rain, Baja California, Mexico, April 2008

Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) gathering at feeding site, Bialowieza NP, Poland, February 2009

Wild Wonders of Europe / Unterthiner / Two European bison (Bison bonasus) fighting, Bialowieza NP, Poland, February 2009. WWE INDOOR EXHIBITION.

Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) in forest, Bialowieza NP, Poland, February 2009

Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) in agricultural field, Bialowieza NP, Poland, February 2009

Wild Wonders of Europe / Unterthiner / Rear view of European bison (Bison bonasus) in agricultural field, Bialowieza NP, Poland, February 2009

Claudio Contreras / Balloon fish (Diodon holocanthus) with defensive spines, Puerto Morelos National Park, Caribbean Sea, Mexico, January

Claudio Contreras / Shoal of Smallmouth grunts (Haemulon chrysargyreum) surrounding Blade firecoral (Millepora complanata) Cancun National Park, Caribbean Sea, Mexico, September

Claudio Contreras / Male Brown booby (Sula leucogaster) in flight, Isabel Island National Park, Sea of Cortez (Gulf of California) Mexico, March

Claudio Contreras / Hawksbill turtle (Eretmochelys imbricata) Cancun National Park, Caribbean Sea, Mexico, July

Martin Gabriel / Arenal Volcano at sunset, clouds mixing with smoke, Costa Rica, February 2009

Martin Gabriel / Arenal Volcano with crown of clouds around the summit at sunrise, La Fortuna, Costa Rica, February 2009

Claudio Contreras / Cushion sea star (Oreaster reticulatus) on Turtle grass (Thalassia testudinum) Banco Chinchorro Biosphere Reserve, Caribbean Sea, Mexico, July

Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) walking through snow in forest, Bialowieza NP, Poland, February 2009

Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) amongst trees in snow, Bialowieza NP, Poland, February 2009

Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) Bialowieza NP, Poland, February 2009

Wild Wonders of Europe / Unterthiner / European bison (Bison bonasus) viewed through trees, Bialowieza NP, Poland, February 2009

Tim Laman / Split level of Spotted sea hare {Aplysia dactylomela} on root of Red mangrove tree {Rhizophora mangle} where it was grazing on algae. Tunicate Cove, Belize.

Doug Perrine / Morelet's / Mexican crocodile {Crocodylus moreletii} at surface of cenote (freshwater spring) near Tulum, Yucatan Peninsula, Mexico. Endangered

Doug Perrine / Morelet's / Mexican crocodile (Crocodylus moreletii) at surface of cenote (freshwater spring). Near Tulum, Yucatan Peninsula, Mexico. Endangered

Doug Perrine / Morelet's / Mexican crocodile (Crocodylus moreletii) at surface of cenote (freshwater spring). Near Tulum, Yucatan Peninsula, Mexico. Endangered

Doug Perrine / Morelet's / Mexican crocodile (Crocodylus moreletii) viewed from below in freshwater habitat. Near Tulum, Yucatan Peninsula, Mexico. Endangered

Doc White / Yellow fin tuna (Thunnus albacares) shoal caught 275ft purse seiner fishing nets, Pacific ocean, Mexico.

Doug Perrine / Striped marlin {Tetrapturus audax} feeding on baitball of Sardines {Sardinops sagax} off Baja California, Mexico

Doug Perrine / Atlantic sailfish {Istiophorus albicans} hits sardine with bill while feeding on bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, M...

Doug Perrine / View from below of silhouette of diver and Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan...

Doug Perrine / Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Mexico, Caribbean Sea, Digitall...

Doug Perrine / Large group (at least 18) of Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Me...

Doug Perrine / Atlantic sailfish {Istiophorus albicans} attacking bait ball of Spanish sardines / gilt sardine / pilchard / round sardinella {Sardinella aurita} off Yucatan Peninsula, Mexico, Caribbean Sea, Digitall...

Doug Perrine / Striped marlin {Tetrapturus audax} feeding on baitball of Sardines {Sardinops sagax} off Baja California, Mexico #4 in sequence of 7

Edwin Giesbers / Ghost glass frog (Centrolenella ilex) portrait, Costa Rica

Edwin Giesbers / Glass-wing Butterflies mating {Greta oto} Costa Rica

Edwin Giesbers / Strawberry poison dart / arrow frog (Dendrobates pumilio) on leaf, Costa Rica

Jouan & Rius / View of river from boat, Tortuguero NP, Costa Rica

Jouan & Rius / Strawberry poison arrow frog (Dendrobates pumilio) in toadstool, rainforest habitat, Costa Rica

Jouan & Rius / Andromica clearwing butterfly (Greta andromica), rainforest habitat, Costa Rica

Jack Dykinga / Minas Viejas Falls at the San Luis Potosi-Tamaulipas border, Mexico

Jack Dykinga / Pine tree draped with moss, and a bromeliad growing on it, in the cloud forest of El Cielo Biosphere Reserve on a misty morning. Tamaulipas, Mexico

Jack Dykinga / Aerial view of alluvial patterns in the Upper Gulf and Colorado Delta Biosphere Preserve, El Golfo, Baja California, Mexico

Jack Dykinga / Minas Viejas Falls at the San Luis Potosi-Tamaulipas border, Mexico

Jack Dykinga / Beaucarnea and Pseudobombax elipticum trees amongst bromeliads (Hechtia sp) in Abra Tanchipa National Park, San Lius Potosi, Mexico

Doug Perrine / Green sea turtle (Chelonia mydas) hatchling swimming, Endangered, Caribbean, captive, digitally enhanced

Jack Dykinga / Galloping Cactus (Stenocereus gummosus) amid flowering Sand Verbena (Abronia villosa) and Rock Daisies (Perityle emoryi), Vizcaino Desert, Baja California Sur, Mexico, Central America

Jack Dykinga / Cardon Cacti (Pachycereus pringlei) on the shore of the Pacific Ocean at sunset, Baja California Sur, Mexico, Central America

Jack Dykinga / Senita Cactus (Lophocereus crystallinum) amid Sand Verbena (Abronia villosa) and flowering Ice Plants (Mesembryanthemum crystallinum), Vizcaino Desert, Baja California Sur, Mexico, Central America

Jack Dykinga / Cardon Cactus (Pachycereus pringlei) and Galloping Cactus (Machaerocereus gummosus) amongst flowering Evening Primrose (Oenthera sp), Vizcaino Desert, Baja California Sur, Mexico, Central America

Jack Dykinga / Sand Verbena (Abronia villosa) and Evening Primrose (Oenothera sp) flowering beneath a Galloping Cactus (Stenocereus gummosus) Vizcaino Desert, Baja California Sur, Mexico, Central America

Jack Dykinga / Clusters of Barrel Cacti (Ferocactus stainesii) and Yuccas (Yucca sp) with the Sierra Madre in the background, Chihuahuan Desert, Mexico, Central America

Jack Dykinga / Marshland with Water Lilies (Nymphaea sp) covering the surface of the water, San Luis Potosi, Mexico, Central America

Jack Dykinga / Anonilla (Rollinia jimenezii), Crinum Lilies (Crinum scabrum) and ferns (Thelypteris sp) in the roots of a Mangrove (Rhizophora mangle), La Tovara Wetlands, San Blas, Mexico, Central America

Jack Dykinga / Anonilla (Rollinia jimenezii) and Crinum Lilies (Crinum scabrum) in the roots of a Mangrove (Rhizophora mangle), with Bromeliads (Bromeliaceae) growing in the branches, La Tovara Wetlands, San Blas, M...

Jack Dykinga / Organpipe Cactus (Cereus thurberi) rooted in volcanic rock on the coast of the Sea of Cortez at dawn, Baja California Sur, Mexico, Central America

Jack Dykinga / Red-barked Gumbo Limbo (Bursura simaruba) amid Oil Nut Plants (Orbygnia guaycoyule) in the jungle of the Sierra Madre Foothills, Jalisco, Mexico, Central America

Jack Dykinga / Cactus (Acanthocereus tetragonus) amid flowering Flaveria (Flaveria anomala) and Pink Floss Plant (Ageratum sp), Laguna Madre, Mexico, Central America

Jack Dykinga / Red Mangroves (Rhizophora mangle) lining the brackish water of the La Tovara Wetlands, San Blas, Mexico, Central America

Jack Dykinga / Trunk and roots of a White Mangrove (Laguncularia racemosa) with Red Mangroves (Rhizophora mangle) lining the water in the background, La Tovara Wetlands, San Blas, Mexico, Central America

Jack Dykinga / California Poppies (Eschscholtzia californica) and flowering Spurge (Euphorbia sp) with a Cholla Cactus (Opuntia cholla) skeleton, Tres Virgenes, Baja California Sur, Mexico, Central America

David Shale / Paper argonaut (Argonauta sp) Gulf of Mexico, deep sea species

Michael Pitts / Aerial view of Brus Lagoon (on left) and Caribbean coast, Mosquitio coast, NE Honduras, Central America 2006

Michael Pitts / Aerial view of cruise ship, M/V Crystal Symphony, passing through the Panama canal, heading towards Mira Flores Locks, Panama 2005 2006

Michael Pitts / Aerial view of island with Coconut palm trees, San Blas Islands, Caribbean coast, Panama 2006

Jack Dykinga / Teddy bear cholla cactus {Opuntia bigelovii} growing on volcanic lava flow, Pinacate and Gran Desierto Altar Biosphere Reserve, Sonoran desert, Mexico

Jack Dykinga / Cerro Colorado volcano crater at sunset with Sierra de los Tanques in background, Biosphere Reserve of Pinacate and Gran Desierto Altar, Sonora, Mexico

Jack Dykinga / Sand dune patterns, Biosphere Reserve of Pinacate and Gran Desierto Altar, Sonoran desert, Mexico

Jack Dykinga / Aerial view of Urique Canyon after summer monsoonal rain, Barranca Del Cobre NP, Chihuahua, Mexico

Michael Pitts / Aerial view of coastal island covered with coconut palms, San Blas islands, Panama, Caribbean Sea