Barry Mansell / Neotropical Fruit Bat (Aritbeus hartii) in flight at night, Tamaulipas, Mexico

Jack Dykinga / Flowering Yucca (Yucca sp) amongst fog-shrouded oaks draped with spanish moss (Tillandsia usneoides), Sierra Tamaulipas, Mexico

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 / Dense stands of Prickly pear cactus (Opuntia sp) in Tamaulipas, Mexico

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

Jack Dykinga / A cluster of flowering Barrel cacti (Ferocactus stainsii) with Yuccas (Yucca sp) in the Eastern extension of the Chihuahuan Desert, Tamaulipas, Mexico

Jack Dykinga / Flowering Lobelia (Lobelia cardinalis) beside a pool with submerged Yellow pond lily (Nuphar polysepala) and Cypress (Taxodium sp) in El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Flowering redbud (Cercis sp) in a heavily vegetated arroyo / valley in the Chihuahuan Desert, Tamaulipas, Mexico

Jack Dykinga / Flowering redbud (Cercis sp) amid agaves (Agave sp) on a north-facing hillside in the Chihuahuan Desert, Tamaulipas, Mexico

Jack Dykinga / Agave (Agave montana) in mountain habitat in the Sierra Madre Oriental range, Nolina (Nolina sp), Madrone and Pine (Pinus sp) also present, Tamaulipas, Mexico

Jack Dykinga / Close-up of Agave (Agave montana) with red thorns / spines and interesting patternation on blades, Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Patricio Robles Gil / Guayalejo River flowing through cloud forest, Tamaulipas, Sierra Madre Oriental, northeast Mexico

Patricio Robles Gil / Fog rolling over cloud forest, Altas Cumbres Protected Area, Tamaulipas, Sierra Madre Oriental, northeast Mexico

Patricio Robles Gil / Semi-aquatic communities of Water Lilies in a wetland near the Tamesi River, south Tamaulipas, Mexico

Patricio Robles Gil / Accumulated rainwater on a Mafafa leaf in El Cielo Biosphere Reserve in the mountains of the Sierra Madre Oriental, Tamaulipas, northeast Mexico

Claudio Contreras / Glaucous Cracker Butterfly (Hamadryas glauconome) Aldama, Tamaulipas, northeastern Mexico, August.

Sandesh Kadur / Kemp's Ridley Sea Turtle (Lepidochelys kempii) digging a nest in sand beach. Rancho Nuevo, Tamaulipas, Mexico, June.

David Welling / Altimara Oriole (Icterus gularis) adult at nest, Tamaulipas State, Mexico, Central America, May

David Welling / Altimara Oriole (Icterus gularis) adult at nest, Tamaulipas State, Mexico, Central America, May

Barry Mansell / Naked backed / Moustached / Leaf-lipped bat (Pteronotus personatus) in flight with mouth open, Tamaulipas, Mexico

Barry Mansell / Ghost faced bat (Mormoops megalohylla) in flight, Tamaulipas, Mexico

Barry Mansell / Hairy-legged Vampire Bat (Diphylla ecaudata) in flight at night, Tamaulipas, Mexico

Barry Mansell / Leaf-chinned / Ghost faced bat (Mormoops megalophylla ) in flight at night, Tamaulipas, Mexico

Barry Mansell / Little-Big-eared Bat (Micronycteris megalotis) in flight at night, Tamaulipas , Mexico

Barry Mansell / Little-Big-eared Bat (Micronycteris megalotis) in flight at night, Tamaulipas, Mexico

Barry Mansell / Little-Big-eared Bat (Micronycteris megalotis) in flight at night, Tamaulipas, Mexico

Barry Mansell / Hairy legged myotis bat ( Myotis keaysi ) in flight at night, Tamaulipas, Mexico

Barry Mansell / Great fruit eating bat (Artibeus lituratus / intermedius) in flight at night, Tamaulipas, Mexico

Barry Mansell / Black-winged Little Yellow Bat (Rhogeessa tumida) in flight at night, Tamaulipas, Mexico

Barry Mansell / Long-tongued Bat (Glossophaga soricina) in flight at night, Tamaulipas, Mexico

Barry Mansell / Long-tongued Bat (Glossophaga soricina) in flight at night, Tamaulipas, Mexico

Barry Mansell / Mexican Blind cave fish / tetra (Astyanax fasciatus mexicanus) Tamaulipas, Mexico

Barry Mansell / Naked-backed Bat (Pteronotus personatus) in flight at night, Tamaulipas, Mexico

Barry Mansell / Naked-backed Bat (Pteronotus personatus) in flight at night, wing claws clearly visible, Tamaulipas, Mexico

Barry Mansell / Naked-backed Bat (Pteronotus personatus) in flight at night, Tamaulipas, Mexico

Barry Mansell / Naked-backed Bat (Pteronotus personatus) in flight at night, Tamaulipas, Mexico

Barry Mansell / Neotropical Fruit Bat (Aritbeus hartii) in flight at night, wing claws clearly visible, Tamaulipas, Mexico

Barry Mansell / Tropical Slider (Trachemys ornata) basking on log, Tamaulipas, Mexico

Barry Mansell / Yellow shouldered / American epauleted bat (Sturnira ludovici) in flight, Tamaulipas, Mexico

Claudio Contreras / Longhorn beetle (Taeniotes scalaris) on leaf, El Cielo Biosphere Reserve, Tamaulipas, northeast Mexico, November

Claudio Contreras / Malachite butterfly (Siproeta stelenes) El Cielo Biosphere Reserve, Tamaulipas, northeast Mexico, November

Claudio Contreras / Peanut-head bug (Fulgora laternaria) defense display showing eye spots on hind wings, El Cielo Biosphere Reserve, Tamaulipas, northeast Mexico, August

Claudio Contreras / Peanut-head bug (Fulgora laternaria) El Cielo Biosphere Reserve, Tamaulipas, northeast Mexico, August

Claudio Contreras / Crested guan (Penelope purpurascens) captive, El Cielo Biosphere Reserve, Tamaulipas, northeast Mexico, August

Claudio Contreras / Kemp's ridley turtle (Lepidochelys kempii) two hatchlings on beach, La Pesca Beach, Tamaulipas, northeast Mexico, July

Claudio Contreras / Red crowned / Green cheeked amazon parrot (Amazona viridigenalis) in nest hole, captive, Tamaulipas, northeast Mexico, June

Claudio Contreras / Yellow headed amazon parrot (Amazona oratrix) juvenile, Tamaulipas, northeast Mexico, June

Claudio Contreras / Red lored amazon parrot (Amazona autumnalis) chick emerging from nest hole in tree, captive, Tamaulipas, northeast Mexico, June.

Claudio Contreras / Red lored amazon parrot (Amazona autumnalis) chick emerging from nest hole in tree, captive, Tamaulipas, northeast Mexico, June.

Claudio Contreras / Boat-billed heron (Cochlearius cochlearius) on nest, Tamaulipas, northeast Mexico, June

Claudio Contreras / Boat-billed heron (Cochlearius cochlearius) at nest with chick, Tamaulipas, northeast Mexico, June

Claudio Contreras / Roseate spoonbill (Platalea / Ajaja ajaja) juvenile in water, Tamaulipas, northeast Mexico, June

Claudio Contreras / Roseate spoonbill (Platalea / Ajaja ajaja) wading through water, Tamaulipas, northeast Mexico, June

Claudio Contreras / Roseate spoonbill (Platalea / Ajaja ajaja) feeding in lagoon, Tamaulipas, northeast Mexico, June

Jack Dykinga / Stream flowing through limestone boulders beneath the shear, Bromeliad covered walls of Servilletta Canyon in Tamaulipas, Mexico

Jack Dykinga / Hillside covered with Soyate trees (Nolina sp) at El Pico El Borrado, Tamaulipas, Mexico

Jack Dykinga / Servilletta Canyon's walls with Gumbo Limbo (Bursera simaruba) trees, bromeliads (Bromeliad sp), agaves (Agave sp) and Prickly pear cacti (Opuntia sp). Tamaulipas, Mexico

Jack Dykinga / Hickory (Carya sp) in autumn colours, against blomeliads and palms on the canyon walls of Catrina Canyon, Cumbres National Park, Tamaulipas, Mexico

Jack Dykinga / Garambullo (Myrtillocactus geometrizans) and Pitaya (Stenocereus griseus) silhouetted at sunset, in Tamaulipas, Mexico

Jack Dykinga / Flowering Yucca (Yucca sp) amongst fog-shrouded oaks (Quercus sp) in Sierra Tamaulipas, Mexico

Jack Dykinga / Flowering bromeliad (Tillandsia sp) amongst oak Quercus sp) forest in El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Cloud forest with a flowering bromeliad (Bromeliad sp) on Clethra pringlei tree, El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Flowering Garambullo cactus (Myrtillocactus geometrizans) and Pitaya (Stenocereus griseus) amid creosote (Larrea tridentata) in the Chihuahuan Desert, Tamaulipas, Mexico

Jack Dykinga / Flowering Yucca (Yucca sp) amongst fog-shrouded oaks draped with spanish moss (Tillandsia usneoides), Sierra Tamaulipas, Mexico

Jack Dykinga / Flowering Garambullo (Myrtillocactus geometrizans) and Pitaya (Stenocereus griseus) amid creosote (Larrea tridentata) in the Chihuahuan Desert, Tamaulipas, Mexico

Jack Dykinga / Flowering Yucca (Yucca sp) with a backdrop of oak-forested hills in Sierra Tamaulipas, Mexico

Jack Dykinga / Giant Fig Tree (Ficus sp) with buttress roots in tropical cloud-forest, El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Back-lit vein patterns on a broad-leafed Xanthosoma plant in the cloud forest of El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Sunrise light filters through Spanish moss (Tillandsia usneoides) draped over the canopy in the El Cielo foothills, Tamaulipas, Mexico

Jack Dykinga / Lichen covered boulders draped with fallen cactus (Seleniocereus sp) amongst oak forest in El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Broad leafed Xanthosoma sp and ferns in the cloud forest of El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Clouds shroud the forested ridges of Cumbres National Park, Tamaulipas, Mexico

Jack Dykinga / Close up of the curled bark of a Gumbo limbo tree (Bursera simaruba), El Cielo foothills, Tamaulipas, Mexico

Jack Dykinga / Moss covered, vine-entangled cloud forest in El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Agave (Agave montana) and Soyata tree (Nolina sp) in the mountain habitat of the Sierra Madre Oriental range, Tamaulipas, Mexico

Jack Dykinga / Pine (Pinus sp) drapped with moss silhouetted against a colourful foggy sunrise, a cloud forest, El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Rain-soaked ferns, mosses, and bromeliads growing on trees in a cloud forest, El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Bromeliads growing on trees by a stream in a cloud forest, El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Sotol (Dasylirion sp) with emerging flowering stalk over-looking clouds, the Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Jack Dykinga / Sotol (Dasylirion sp) in mountain habitat in the Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Jack Dykinga / Morning Glories (Ipomoea sp) intertwined in Yuccas (Yucca treculeana), coastal plains of eastern Tamaulipas, Mexico

Jack Dykinga / Spider web covered with water droplets with pink flowers of Morning Glory (Ipomoea sp) behind, Sierra Cucharas, Tamaulipas, Mexico

Jack Dykinga / Fog in the Sierra Madre Oriental mountain range at sunrise, Tamaulipas, Mexico

Jack Dykinga / Close-up of Agave (Agave montana) with red thorns / spines and interesting patternation on blades, Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Jack Dykinga / Close-up of Agave (Agave montana) with red thorns / spines and interesting patternation on blades, Madrone and Oak trees in background, Sierra Madre Oriental mountain range, Tamaulipas, Mexico

Patricio Robles Gil / Snow Goose (Chen caerulescens) aerial view of large flock flying over water during migration, Tamaulipas, Mexico

Patricio Robles Gil / Laguna Madre in the midst of sand dunes, Tamaulipas, Mexico

Patricio Robles Gil / Aerial view of Tampico wetlands, Tamaulipas, Gulf of Mexico, Mexico

Patricio Robles Gil / Sand dunes surrounding Laguna Madre, Tamaulipas, Mexico

Patricio Robles Gil / Waterlilies flowering in Southern Tamaulipas wetlands, Mexico

Patricio Robles Gil / Aerial view of Sierra Cucharas, Tamaulipas, Mexico

Patricio Robles Gil / Texas tortoise (Gopherus berlandieri) crossing desert, leaving tracks in the sand, Tamaulipas, Mexico

Patricio Robles Gil / Tropic queen butterflies {Danaus eresimus} Tamaulipas, Mexico

Patricio Robles Gil / Aerial view of Rio Bravo (Rio Grande) flowing into the Gulf of Mexico, Tamaulipas, Mexico

Patricio Robles Gil / Flock of Snow geese flying {Chen caerulescens} Tamaulipas, Mexico