Paul Hobson / Hognosed pitviper (Porthidium nasutum). Costa Rica.
00588923
Agustin Esmoris / South American Hognose Snake (Xenodon dorbignyi) flicking tongue, Buenos Aires, Argentina
00588922
Agustin Esmoris / South American Hognose Snake (Xenodon dorbignyi) flicking tongue, Buenos Aires, Argentina
00583298
Chien Lee / Rainforest Hognose Viper (Porthidium nasutum), Esmeraldas, Ecuador
01511906
Gabriel Rojo / South American hognose snake (Lystrophys dorbignyi) La Pampa, Argentina.
01511644
Daniel Heuclin / Western hognose snake (Heterodon nasicus) South East Arizona, USA, September 2013.
01495227
Pete Oxford / Southern hognose snake (Heterodon simus) Captive, endemic to the Southeastern United States. Vulnerable species.
01495226
Pete Oxford / Southern hognose snake (Heterodon simus) Captive, endemic to the Southeastern United States. Vulnerable species.
01461938
Nick Garbutt / Male Malagasy Hog-nosed Snake (Leioheterodon madagascariensis) on forest floor with tourist / photographer in the background. Ankarana National Park, northern Madagascar.
01459903
Bernard Castelein / Malagasy Giant Hognose Snake (Leioheterodon madagascariensis) portrait, Benavony, near Ambanja, Madagascar
01459904
Bernard Castelein / Malagasy Giant Hognose Snake (Leioheterodon madagascariensis) portrait, Benavony, near Ambanja, Madagascar
Konrad Wothe / Blonde Hognose Snake (Leioheterodon modestus) near Morondava, Madagascar, Africa
01398232
MYN / Brady Beck / Eastern hognose snake (Heterodon platirhinos) coiled, Scotland County, North Carolina, USA, May, meetyourneighboursproject.net
01397087
Daniel Heuclin / Western Hognose Snake (Heterodon nasicus) tasting air with its tongue. Endemic to western North America and Mexico.
01397086
Daniel Heuclin / Western Hognose Snake (Heterodon nasicus), studio shot against white background. Endemic to western North America and Mexico.
00455955
Pete Oxford / Southern Hognose Snake (Heterodon simus), native to the southeastern United States
01295826
Michael D. Kern / Western hognose snake (Heterodon nasicus nasicus) albino, captive, from USA
00443704
Murray Cooper / Rainforest Hognose Viper (Porthidium nasutum) coiled on tree trunk, Ecuador
01194513
Shattil & Rozinski / Western hognose snake {Heterodon nasicus} feigning death to avoid predation, Colorado, USA
01194514
Shattil & Rozinski / Western hognose snake {Heterodon nasicus} Colorado, USA
01194448
Michael D. Kern / Tri-colour hognose snake {Lystrophis pulcher} captive, from South America
01194428
Michael D. Kern / Western hognose snake {Heterodon nasicus} upside down with mouth open feigning death, captive, from western USA
01194427
Michael D. Kern / Western hognose snake {Heterodon nasicus} captive, from western USA
01194426
Michael D. Kern / Western hognose snake {Heterodon nasicus} captive, from western USA
01181671
Philippe Clement / Western hognose snake (Heterodon nasicus) portrait. Arizona, USA. Captive.
01163815
Pete Oxford / Colubrid snake (Leioheterodon geayi). Tsimanampetsotsa Special Reserve. MADAGASCAR
01125216
Barry Mansell / Eastern hognose snake (Heterodon platyrhinos) Florida, USA
01156334
Barry Mansell / Western hognose snake (Heterodon nasicus) Arizona, USA
01122644
Barry Mansell / Snake hatching from egg {Leioheterodono madagascariensis} Madagascar
01138446
Todd Pusser / Southern hognose snake {Heterodon simus} North Carolina, USA
01125181
Barry Mansell / Southern hognose snake {Heterodon simus}
00217204
Pete Oxford / Amazon Hog-nosed Pit Viper (Porthidium hyoprora) coiled on leaf litter on rainforest floor, Pastaza region, Ecuador
00217202
Pete Oxford / Amazon Hog-nosed Pit Viper (Porthidium hyoprora) coiled in rainforest, Pastaza region, Ecuador
00240469
Heidi & Hans-Juergen Koch / Hog-nosed Snake (Heterodon sp) defensive behavior, rolling on back to display warning colors on underside, native to North America
00240468
Heidi & Hans-Juergen Koch / Hog-nosed Snake (Heterodon sp) portrait, coiled in sand, native to North America
00510408
Michael & Patricia Fogden / Western Hog-nosed Snake (Heterodon nasicus) defense display, North America
00300228
Claus Meyer / Black Mussurana (Clelia occipitolutea) snake, eating a Hognose Snake (Philodryas nattereri), Caatinga ecosystem, Brazil
00300227
Claus Meyer / Black Mussurana (Clelia occipitolutea) snake, eating a Hognose Snake (Philodryas nattereri), Caatinga ecosystem, Brazil
00240460
Heidi & Hans-Juergen Koch / Hog-nosed Snake (Heterodon sp) close-up portrait, digs in the ground to hide as a defensive behavior when threatened, native to North America
01112513
Barry Mansell / Southern hognose snake {Heterodon simus} eating toad {Bufo terrestris} US
01112566
Barry Mansell / Southern hognose snake eating toad {Heterodon simus} USA Note toad puffed up in defense
01096536
Barry Mansell / Southern hognose snake {Heterodon simus} Florida, USA
01100653
Barry Mansell / Southern hognose snake {Heterodon simus} Florida, USA
01097441
PREMAPHOTOS / Leioheterodon modestus snake swallows frog it has dug out of damp sand in tropical dry forest, Madagascar
00573353
Heidi & Hans-Juergen Koch / Hog-nosed Snake (Heterodon sp) hiding in sand, native to North America
00573351
Heidi & Hans-Juergen Koch / Hog-nosed Snake (Heterodon sp) in defensive posture, native to North America
00455954
Pete Oxford / Southern Hognose Snake (Heterodon simus), native to the southeastern United States
00210081
Pete Oxford / Hog-nosed Snake (Leioheterodon modestus) camouflaged amid leaf litter, Ankarafantsika Special Reserve, Madagascar
00217203
Pete Oxford / Amazon Hog-nosed Pit Viper (Porthidium hyoprora) camouflaged on leaf litter in rainforest, Pastaza region, Ecuador
01736407
Daniel Nunez / Hognose viper (Porthidium nasutum) resting in leaf litter, Sierra Caral, Izabal, Guatemala.
01736413
Daniel Nunez / Hognose viper (Porthidium nasutum) juvenile, resting on dried leaf, Sierra Caral, Izabal, Guatemala.
01736410
Daniel Nunez / Hognose viper (Porthidium nasutum) portrait, Sierra Caral, Izabal, Guatemala.
01721396
Roman Willi / White-tailed hognose viper (Porthidium porrasi) coiled up on forest floor, Osa Peninsula, Costa Rica.
01721386
Roman Willi / White-tailed hognose viper (Porthidium porrasi) coiled up on forest floor, Osa Peninsula, Costa Rica.
01636133
Adrian Davies / Hognosed pit viper (Porthidium nasutum) Costa Rica
01636132
Adrian Davies / Hognosed pit viper (Porthidium nasutum) Costa Rica
