.::::: Acknowledgements :::::.

A lot of persons have helped us make this site possible but sending us pictures, links or other valuable information of use for the site, these person are listed below and their help is much appreciated, as the site would not have been the same without their help.

G R A P H I C S
Mimi Jong, Denmark
(Herpbreeder-logo)

Markus Thums,
Germany
(Herpbreederbanner)

L I T E R A T U R E
Klaus Adolphs
, Germany
(Cordylidae and Gerrhosauridae)
Gergely Babocsay, Hungary
(Echis)
Mirko Barts, Germany
(Pachydactylus)

Henrik Bringsøe, Denmark
(Elaphe-Complex, Stenodactylus, Triturus)
Jeff Crocombe, Australia
(Pygopus)
Tobias Eisenberg, Germany
(Phyllomedusa)
Bryan Grieg Fry, Australia
(PDFs on snake venom)
Harald Holler, Germany
(Thamnophis, Radiata, Reptile & Amphibian Hobbyist, Reptiles, Salamandra, Sauria, TerraPro)
Jos Kielgast, Denmark
(Dendrobatids)
Gunther Köhler, Germany
(Anolis-complex)
Kenneth Krysko, USA
(PDFs on Anolis, Cryptobranchus, Ctenosaura, Lampropeltis, Langaha, Micrurus, Necturus, Rana and exotics in Florida)
William McCord, USA
(Chelodina, Chitra, Cuora, Cyclemys, Emydura, Leucocephalon, Phrynops, Pleurodira)
Timo Paaskunnas, Finland
(Coronella, Orthriophis)
Brian Petersen, Denmark
(Eryx, Gongylophis)
Raymond A. Saumure, Canada
(Carettochelys, Chelydra, Glyptemys, Graptemys, Rana, Sternotherus)
Andres Schlüter , Germany
(Peru)
Jens Sievert, Germany
(Crotalus)
Mirco Solé, Spain
(Agalychnis, Elachistocleis, Hyla, Hylidae, Liophis, Phyllomedusa, Proceratophrys, Scinax )
Josiah H. Townsend, USA
(PDFs on Honduras, Ctenosaura, Hemidactylus, Hyla, Osteopilus)
Jean-Pierre Vacher, France
(Drepanoides)
Yehudah Werner, Israel
Wolfgang Wüster, England
(Bothrops, Drymarchon, Elaphe, Naja)
T A X O N O M Y
Mirko Barts, Germany
(Pachydactylus)
H E R P E T O F A U N A S
David Bird, UK
(Greece)
Dirk Embert, Germany
(Bolivia)
Jean-Pierre Vacher, France
(French Guiana and France)
Richard Wells, Australia
(Australia)
P H O T O S
Klaus Adolphs
, Germany
(Cordylus cordylus, C. giganteus, C. niger, C. polyzonus)
Patrick Alexander, USA
(Acris crepitans blanchardi, Bufo fowleri, Cnemidophorus tigris tigris, Coluber constrictor flaviventris, Cophosaurus texanus, Crotaphytus collaris fuscus, Eumeces fasciatus, Hyla chrysoscelis, Lampropeltis triangulum triangulum, Morelia viridis, Opheodrys aestivus, Phrynosoma platyrhinos, Plethodon cinereus, P. dorsalis, P. glutinosus, Rana clamitans, R. utricularia)
Wesley Anderson, USA
Franco Andreone, Italy
(Bufo bufo bufo, Pelobates cultripes, P. fuscus)
Daniel Bennett/Mampam Conservation, England
Kedar Bhide, India
(Boiga forsteni, B. trigonata, Rhacophorus malabaricus, Spalerosophis aranarius, Trimeresurus malabaricus, Uromastyx hardwickii)
Chris Bodner, USA
(Thamnophis cyrtopsis ocellatus)
Jon Boone, USA
(Afroedura transvaalica loveridgei, A. sp., Ailuronyx seychellensis, Asaccus caudivolvulus, A. gallagheri, A. platyrhynchus, Chondrodactylus angulifer angulifer, Cyrtopodion scaber, Geckolepis maculata, Geckonia chazaliae, Gehyra marginata, G. oceanica, G. variegata, Gekko palmatus, G. petricolus, G. vittatus, Haemodracon riebeckii, Hemidactylus bouvieri boavistensis, H. fasciatus, H. giganteus, H. maculatus, H. palaichthus, H. squamulatus, H. tanganicus, H. triedrus, H. sp., Hemitheconyx taylori, Homopholis wahlbergii, Naultinus grayii, Nephrurus amyae, N. levis occidentalis, N. l. pilbarensis, N. milii, Oedura castelnaui, O. lesueurii, O. marmorata, O. monilis, O. rhombifer, O. tryoni, Pachydactylus bibroni, P. fasciatus, P. geitje, P. kochii, P. mariquensis latirostris, P. m. mariquensis, P. rugosus, P. scutatus, P. tigrinus, P. tsodiloensis, P. weberi, Palmatogecko rangei, Paroedura sp., Phelsuma mutabilis, Pristurus carteri, P. rupestris, P. sokotranus, P. sp., Ptyodactylus guttatus, P. hasselquistii sp., P. ragazzii, Quedenfeldtia moerens, Rhacodactylus chahoua, R. leachianus, Uroplatus guentheri)
Hugo Claessen, Belgium
(Agalychnis callidryas, A. litodryas, Bufo campbelli, B. marinus, Colostethus degranvillei, Eleutherodactylus gutturalis, E. rugulosus, Hyla cinerea, H. ebraccata, Lithodytes lineatus, Phrynohyas venulosa, Phrynomedusa marginata, Phyllomedusa hypochondrialis, Rana berlandieri Trimorphodon biscutatus)
Frank Colacicco
, USA
(Nephrurus milii)
Harold De Lisle, USA
(Varanus macraei)
Dennis Desmond, USA
(Acanthophis praelongus, Acrantophis dumerili, A. madagascariensis, Brachylophus fasciatus, Cacophis squamulosus, Chlamydosaurus kingii, Corucia zebrata, Crotaphytus bicinctores, Cyclura nubila lewisi, Dendroaspis angusticeps, D. polylepis, Dracaena guianensis, Egernia hosmeri, E. major, Ophiophagus hannah, Physignathus lesueurii, Pseudechis colletti, P. porphyriacus, Suta suta)
Dirk Embert, Germany
(Amphisbaena cegei, Bothrops andianus, Bothrops neuwiedi bolivianus, Chironius exoletus, Crotalus durissus terrificus, Hydrodynastes gigas, Hyla andina, Liophis ceii, Oxyrhopus rhombifer, Philodryas psammophideus, P. varius)
Steve Garrett
, USA
(Pantherophis alleghaniensis)
Rich Glor, USA
(Ambystoma maculatum, Anolis aliniger, A. allisoni, A. angusticeps, A. argenteolus, A. argillaceus, A. bartschi, A. chlorocyanus, A. cooki, A. distichus, A. equestris, A. etheridgei, A. noblei, A. porcus, A. pulchellus, A. semilineatus, A. stratulus, A. vermiculatus, Bufo americanus, Crotaphytus collaris)
Lars Haastrup, Denmark
(Boa constrictor occidentalis)
Anders Hansen, Denmark
(Holodactylus africanus, Nephrurus levis levis )
Claus Hemmingsen, Denmark
(Holaspis laevis)
Henrik Herold, Denmark
(Boa constrictor, Caiman crocodilus, Corallus hortulanus, Hyla boans)
Pierson Hill
, USA
(Arizona elegans, Coluber constrictor, C. c. helvigularis, Crotalus atrox, C. molossus, C. pricei, Lampropeltis getula, Masticophis bilineatus, Nerodia clarkii clarkii, N. c. compressicauda, N. erythrogaster erythrogaster, N. rhombifera rhombifera, Opheodrys aestivus, Sistrurus miliarius miliarius, Thamnophis cyrtopsis, T. elegans vagrans, T. eques, T. rufipunctatus, T. sauritus sackeni, T. sirtalis similis, . T. s. sirtalis, Trimorphodon biscutatus)
Harald Holler, Germany
(Bufo bufo bufo, Charina bottae, C. trivirgata trivirgata, Graptemys pseudogeographica, Heterodon nasicus, Lampropeltis getula californiae, L. ruthveni, Natrix maura, Pantherophis obsoletus,, P. vulpinus gloydi, Pelobates fuscus, Pituophis melanoleucus mugitus, Rana temporaria, Thamnophis sirtalis parietalis, Trachemys scripta elegans, Zamenis situla)
Jimmy Johnson, USA
(Pantherophis obsoletus)
Ron Jung, Rainforest Design Unltd., USA
(Cryptophyllobates azureiventris)
Rémi Ksas, France
(Agalychnis callidryas)
Kert Lipponen, Finland
(Trimeresurus popeorum)
Nathan Litjens, Australia
(Adelotus brevis, Crinia parinsignifera, C. signifera, C. sloanei, Geocrinia victoriana, Limnodynastes dumerilii, L. peronii, L. tasmaniensis, L. terraereginae, Litoria caerulea, L. chloris, L. coolooensen, L. dentata, L. ewingii, L. fallax, L. freycineti, L. gracilenta, L. latopalmata, L. lesueurii, L. nasuta, L. olongbuensis, L. peronii, L. phyllochroana, L. raniformis, L. rubella, L. verreauxii, Mixophyes fasciolatus, Pseudophryne coriacea, Uperoleia laevigata)
Rune L. Madsen, Denmark
(Boa constrictor imperator "Hog Island")
Aaron Mattson, USA
(Crotalus viridis helleri, Lampropeltis alterna, L. triangulum celeanops, L. zonata multicincta, L. z. multifasciata)
Arie van der Meijden, Germany
(Bufo boreas, B. bufo, B. calamita, B. olivaceus, Dicamptodon ensatus, Neurergus kaiseri, Podarcis muralis, P. sicula)
Tom Mårtensson, Sweden
(Basiliscus plumifrons, Goniurosaurus araneus, G. luii, G. splendens, Varanus prasinus)
Alejandro J. Sánchez Muñoz, Puerto Rico
(Amphisbaena fenestrata, Boa constrictor, Anolis acutus, A. aliniger, A. armouri, A. b. bahorucoensis, A. b. baleatus, A. b. barahonae, A. brevirostris wetmorei, A. carolinensis, A. c. chlorocyanus, A. c. cyanostictus, A. christophei, A. c. coelestinus, A. cooki, A. c. cristatellus, A. c. wileyeae, A. cuvieri, A. c. cybotes, A. distichus dominicensis, A. d. ignigularis, A. d. ssp., A. equestris, A. ernestwilliamsi, A. etheridgei, A. evermanni, A. extremus, A. griseus, A. gundlachi, A. krugi, A. leachii, A. l. longitibialis, A. marcanoi, A. occultus, A. oculatus cabritensis, A. o. montanus, A. olssoni extentus, A. poncensis, A. porcatus, A. pulchellus, A. r. roquet, A. semilineatus, A. stratulus, A. trinitatis, A. whitemani whitemani, Bufo guentheri guentheri, B. lemur, B. marinus)
Nikolai Orlov, Russia
(Calluella guttulata, Ichthyophis bannanicus, Kaloula pulchra, Rhacophorus annamensis, R. reinwardtii)
Phil Peak, USA
(Pantherophis obsoletus spiloides)
Søe Pedersen, Denmark
(Coluber hippocrepis)
Ed Pirog, USA
(Testudo kleinmanni)
Chris Raden, USA
(Pantherophis alleghaniensis)
Steffen Reichle, Germany
(Leptodactylus labyrinthicus, Phrynopus laplacai)
Ignacio de la Riva, Bolivia
(Bufo amboroensis, B. marinus, B. poeppigii, B. spinulosus, B. veraguensis, Eleutherodactylus fenestratus, E. fraudator, E. peruvianus, Gastrotheca splendens, Hyla albopunctata, H. andina, H. armata, H. bifurca, H. charazani, H. chlorostea, Leptodactylus bolivianus, L. bufonius, L. leptodactyloides, L. pentadactylus, Phrynohyas coriacea, P. venulosa, Phrynopus kempffi, P. pinguis, Phyllomedusa boliviana, P. hypochondrialis, P. sauvagii, P. tomopterna, Physalaemus biligonigerus, Pseudopaludicola mystacalis )
Rune Rohleder, Denmark
Raymond A. Saumure, Canada
(Glyptemys insculpta )
Randy Seiler, USA
Michelle Sinclair , USA
(Dasypeltis inornata)
Mirco Solé, Spain
(Elachistocleis erythrogaster, Hylodes meridionalis, Leptodactylus fuscus, L. mystacinus, L. ocellatus, L. plaumanni, Phrynohyas mesophaea)
Richard Struijk, Netherlands
(Blanus tingitanus, Cordylus mossambicus, C. warreni depressus, Egernia stokesii, Scincus scincus cucullatus, Shinisaurus crocodilurus, Tribolonotus gracilis, Xenagama taylori)

Markus Thums
, Germany
(Pantherophis spiloides)
Jean-Pierre Vacher, France
(Acanthodactylus erythrurus, Boa constrictor, Bothrops atrox, B. bilineatus, B. brazili, Bufo granulosus, B. margaritifer, Colostethus degranvillei, Corallus caninus, C. hortulanus, Coronella austriaca, C. girondica, Crotalus atrox, C. durissus, Ctenophryne geayi, Drepanoides anomalus, Elachistocleis ovalis, Eleutherodactylus chiastonotus, Epicrates cenchria, Epicrates cenchria maurus, Hemidactylus mabouia, H. turcicus, Hyla arborea, H. brevifrons, H. calcarata, H. geographica, H. melanargyrea, H. nana, Iberolacerta bonnali, I. cyreni, Lacerta agilis, Otophryne pyburni, Oxyrhophus formosus, Pelobates fuscus, Phyllomedusa bicolor, P. tomopterna, P. vaillanti, Podarcis hispanica var. liolepis, Rana iberica, R. lessonae, Scinax proboscideus)
Dick Visser, Netherlands
(Proatheris superciliaris, Trimeresurus gumprechti, T. stejnegeri)
John White, USA
(Acris crepitans crepitans, A. gryllus gryllus, Agkistrodon contortrix laticinctus, A. c. mokasen, A. c. pictigaster x A. c. contortrix, piscivorus piscivorus, Alligator mississippiensis, A. sinensis, Ambystoma jeffersonianum, A. laterale, A. maculatum, A. opacum, A. talpoideum, A. texanum, A. tigrinum, Basiliscus plumifrons, Bothrops atrox, Bufo americanus, B. marinus, B. viridis, Chelus fimbriatus, Clemmys guttata, Corucia zebrata, Crocodylus acutus, C. johnstoni, C. moreletii, C. niloticus, C. rhombifer, Crotalus horridus, Desmognathus monticola, D. ochrophaeus, Eumeces fasciatus, Eunectes murinus, Gavialis gangeticus, Gekko gecko, Graptemys geographica, Hemidactylium scutatum, Hyla chrysoscelis, H. cinerea, Kinosternon baurii, K. subrubrum subrubrum, Lampropeltis calligaster rhombomaculata, L. getula getula, L. g. nigra, L. triangulum triangulum, Liasis mackloti, Litoria caerulea, Malaclemys terrapin terrapin, Nerodia sipedon sipedon, Opheodrys vernalis, Plethodon cinereus, P. cylindraceus, P. glutinosus, P. richmondi, P. wehrlei, Sistrurus catenatus catenatus, Sistrurus miliarius miliarius, Sternotherus minor peltifer, S. odoratus, Storeria dekayi dekayi, S. occipitomaculata occipitomaculata, Thamnophis sirtalis sirtalis, Varanus salvadorii)
David Williams, Australia
(Acantophis sp., Antaresia childreni, Diplodactylus williamsi, Liasis olivaceus, Notechis ater, Pseudechis australis)
Germano Woehl, Jr., Brazil
(Adenomera marmorata, Bufo crucifer, B. ictericus, Chiasmocleis leucosticta, Eleutherodactylus binotatus, E. guentheri, E. sp., Hyalinobatrachium uranoscopum, Hyla albomarginata, H. albopunctata, H. albosignata, H. berthalutzae, H. bischoffi, H. circumdata, Hylodes perplicatus, Leptodactylus flavopictus, L. notoaktites, L. ocellatus, L. plaumanni, Odontophrynus americanus, Phyllomedusa distincta, Physalaemus cuvieri, P. maculiventris, P. nanus, P. olfersii, P. sp., Proceratophrys boeii, P. melanopogon, P. subguttata, P. sp.)
Wolfgang Wüster, England

(Acanthophis sp., Agkistrodon taylori, Anilius scytale, Basiliscus plumifrons, Boiga forsteni, B. multomacualta, Bothrops alternatus, B. asper, B. atrox, B. bilineatus smaragdinus, B. brazili, B. cotiara, B. erythromelas, B. fonsecai, B. hyoprora, B. insularis, B. jararaca, B. leucurus, B. microphthalmus, B. moojeni, B. neuwiedi dioporus, B. n. urutu, B. pulcher, B. venezuelensis, Bufo atukoralei, Corallus caninus, Crotalus atrox, durissus collilineatus, C. d. dryinus, C. d. tzabcan, C. horridus, C. oreganus, C. unicolor, C. vegrandis, C. viridis cerberus, C. v. nuntius, C. v. viridis, Dendroaspis viridis, D. sp., Dermochelys coriacea, Drymobius margaritiferus, Epicrates cenchria assisi, Hydrodynastes gigas, Leptodactylus pentadactylus, Liasis fuscus, Liophois melanotus, Litoria infrafrenata, Macrovipera lebetina turanica, Morelia bredli, M. viridis, Ophiophagus hannah, Orhtriophis taeniurus ridleyi, Oxyrhophus guibei, O. rhombifer, Philodryas aestivus, P. olfersii, P. patagoniensis, Pogona vitticeps, Pseudechis australis, Rana perezi, Suta punctata, Trimeresurus albolabris, T. erythrurus, T. gumprechti, T. macrops, Vipera berus)