Doug Wechsler / Yellow-plumed parakeets (Leptosittaca branickii) at nest cavity in wax palm stump, Tapichalaca Biological Reserve, Ecuador.

Doug Wechsler / Horseshoe crab (Limulus polyphemus) embryos, Delaware Bay, New Jersey, USA, June.

Doug Wechsler / Summer fishfly (Chauliodes pectinicornis) close up, Weymouth Furnace Park, New Jersey, USA, July.

Doug Wechsler / American toad (Bufo americanus) crossing road at night in front of car headlights, Philadelphia, Pennsylvania, USA, March

Doug Wechsler / American Toad {Bufo americanus} male calling, his vocal sac vibrations causing ripples in the water, Pennsylvania, USA

Doug Wechsler / Cracker butterfly camouflaged on bark {Hamadryas sp} Costa Rica

Doug Wechsler / Eastern cottontail rabbit {Sylvilagus floridanus} feeding on Spartina. USA.

Doug Wechsler / Viceroy butterfly pupa {Limenitis archippus} on leaf stem. USA. Captive.

Doug Wechsler / Tiger swallowtail butterfly {Papilio glaucus} female resting on trumpetweed. USA.

Doug Wechsler / Butterfly {Dynastor darius} caterpillar on bromeliad leaf. Costa Rica.

Doug Wechsler / Butterfly {Dynastor darius} chrysalis / pupa on leaf stem. Costa Rica.

Doug Wechsler / Giant toad {Bufo marinus} introduced species to Puerto Rico, Caribbean

Doug Wechsler / Osprey female with chicks at nest {Pandion haliaetus} New Jersey, USA

Doug Wechsler / Spotted salamander eggs {Ambystoma maculatum} with symbiotic algae, Delaware, USA

Doug Wechsler / Phantasmal poison arrow frog {Epipedobates tricolor} in cloud forest, El Oro, Ecuador

Doug Wechsler / Eastern cottontail rabbit scratching {Sylvalegus floridanus} New Jersey, USA

Doug Wechsler / Sunda tarsier {Tarsius bancanus} Sabah, Borneo,

Doug Wechsler / Swamp treefrog {Hyla loquax} climbing branch Rio San Carlos, Costa Rica

Doug Wechsler / Long fingered slender toad {Ansonia longidigita} male vocalising. Borneo , Bentuang-karimun, Indonesia

Doug Wechsler / Diamondback terrapins at water's edge. New Jersey, USA {Malaclemmys terrapin}

Doug Wechsler / Giant toad showing paratoid gland behind eye {Bufo marinus} Costa Rica Guanacaste NP,

Doug Wechsler / Zabriskie point with Panmint mountains behind, Badlands, Death Valley NP, California, USA

Doug Wechsler / Black legged poison dart frog {Phyllobates bicolor} Colombia. South America

Doug Wechsler / Plainfin midshipman {Porichthys notatus} with photopores on chin, occurs in Pacific ocean. captive

Doug Wechsler / Florida red bellied turtle {Pseudemys nelsoni}basking & stretching, Big Cypress NP FloridA

Doug Wechsler / American crocodile with mouth open {Crocodylus acutus} Everglades NP, Florida, USA

Doug Wechsler / Bullfrog male in garden pond {Rana catesbeiana} Pennsylvania, USA.

Doug Wechsler / Bullfrog female by garden pond {Rana catesbeiana} Pennsylvania, USA

Doug Wechsler / Treefern in subtropical rainforest. Luquillo NF, Puerto Rico, West Indies

Doug Wechsler / Rainforest with Eugenia sp. Lanjak-Entimau WS, Malaysia

Doug Wechsler / Eastern mud turtle in seasonal pond {Kinosternon subrubrum} Blackbird St Forest, Delaware, USA

Doug Wechsler / Atelopus toad {Atelopus spumarius} Iwokaram mtns, Guyana

Doug Wechsler / Eastern cottontail rabbit {Sylvilagus floridanus} New Jersey, USA

Doug Wechsler / Lianas in tropical rainforest, Borneo, Indonesia.

Doug Wechsler / Golden cichlid (Pseudotropheus auratus). East Africa

Doug Wechsler / Rubbish / Garbage dumped in desert countryside. Riverside County, California, USA.

Doug Wechsler / Pacific giant glass frog (Centrolenella geckoideum). NW Andes (2550m), Carchi Province, Ecuador, South America

Doug Wechsler / Dipterocarp forest. Luzon, Zambales province, Philippines

Doug Wechsler / Sea anemone feeds on starfish, Puget Sound, Washington, USA

Doug Wechsler / Tropical rainforest. Bentuang Karimun, Borneo, Malaysia

Doug Wechsler / Alluvial rainforest understorey. Lanjak-Entimau WS Sarawak, Borneo, Malaysia

Doug Wechsler / Goldenrod spider (Misumena vatia) female camouflaged on flower

Doug Wechsler / Joshua Tree (Yucca brevifolia) NM, California, USA Granite Boulders.

Doug Wechsler / Marsh samphire (Salicornia europaea) on salt marsh. Delaware NJ USA

Doug Wechsler / Smokey jungle frog (Leptodactylus pentadactylus) rainforest leaf litter, Guyana, South America

Doug Wechsler / Man by buttress root of Mora tree {Mora excelsa}, valuable timber tree. Guyana, South America

Doug Wechsler / Black water stream in rainforest Burro Burro River, Guyana, South America

Doug Wechsler / Black water stream in rainforest, Burro Burro River, Guyana, South America