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  • Glossary of Herpetological Terms
    X Y Z Term Definition Ecdysis Ecdysis is the process of shedding the skin Ecological Role The role of a particular evolutionary facet of an animal that aids in its survival Ecotone Ecotone term used to describe the place where two different habitat types meet and overlap usually exhibiting some characteristics of both ectoparasite Any parasite such as a tick or mite which attaches itself to the outer part of the body of its host in order to extract nourishment ectotherm ectotherms are cold blooded animals such as a reptiles that rely on external warmth ultimately from the sun in the wild heat retaining substrate or from an artifical heat source such as ceramic bulb heatmat in captivity to raise its body temperature so that it can become active To cool the body ectotherms seek out a cooler environment Egg Bound A life threatening condition that prevents a female snake from laying her eggs It is usually caused by one or more usually infertile eggs adhering to the lining of the oviduct Elaphe schrencki Elaphe schrencki Strauch 1873 Russian Ratsnake was named after Leopold Ivanovich von Schrenck Lopeold von Schrenck 1826 1894 was a Russian German Zoologist Geographer and Ethnogropher Schrenck was born and brought up near Chotenj south west of St Petersburg He received his doctorate from the University of Tartu and then studied natural science in Berlin and Königsberg In 1853 Schrenck was sent by the St Petersburg Academy of Sciences to explore the Amurland He reached the mouth of the Amur in September 1854 with the botanist Carl Maximowicz In February 1855 he visited Sakhalin and then explored the Amur in the spring and summer In 1856 he returned overland to Europe via Lake Baykal He published his findings in his Reisen und Forschungen im Amur Lande Travel and researches in the Amur land 1860 In later years Schrenck turned his attention to the study of the native peoples of Russia becoming director of the Museum of Anthropology and Ethnography Ethnography refers to the genre of writing that presents qualitative description of human social phenomena based on fieldwork In 1869 Dr Leopold von Schrenck then Chief of the Imperial Academy of Sciences at Petrograd today s St Petersburg Russia published the following account about the mammoth The mammoth is a gigantic beast which lives in the depths of the earth where it digs for itself dark pathways and feeds on earth They account for its corpse being found so fresh and well preserved on the ground that the animal is still a living one Some even thought rapid tunneling by mammoths produced earthquakes A number of animals are named after Schrenck including the Shrencks Limpet Notoacmea schrenckii the Amur Sturgeon Acipenser shrenckii the Manchurian Black Water Snake Elaphe schrenckii and a butterfly Amuriana schrenckii Endangered Species An animal that is considered in danger of extinction An animal that appears on Appendix I of the Endangered Species Act of 1973 Endangered Species Act of 1973 Provides for the

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/E (2016-02-01)
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  • Glossary of Herpetological Terms
    Ratsnakes in the article database covering topics such as feeding breeding natural history We have an extensive glossary of herpetological terms The photo gallery has nearly 1500 photos of Ratsnakes organized by species We have morph guides for Orthriophis taeniurus taeniurus Elaphe dione plus other species of Ratsnake Glossary of Herpetological Terms compiled by Dave Royans Sue Knight Search for glossary terms regular expression allowed Begin with Contains Exact term Sounds like All 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Term Definition Family Family in taxonomy is a grouping of animals for example Colubridae colubrids that all ratsnakes belong to Fang Enlarged teeth usually grooved or hollow to varying degrees and used for the administration of venom in defence and predation Fecundity The ability to produce young and contribute to the species usually expressed as the number or percentage of offspring produced by a mother snake fide Meaning according to in reference of followed by a reference for instance fide Schulz according to Schulz Filial Generations of progeny in a genetic breeding project Unrelated animals in the parental P generation are mated to produce the first filial F1 generation Two F1 individuals are mated brother x sister to produce the second filial F2 generation Fit A species that best suits a particular environmental niche or demonstrates environmental plasticity one that can cope with multiple environments It does not mean the strongest fastest biggest etc as these characteristics may not always prove to be advantageous within a populations environment Fitness Scientifically fecundity multiplied by survival The ability to pass on genes via offspring to the next generation Fossorial Fossorial term used to

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/F (2016-02-01)
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  • Glossary of Herpetological Terms
    Know The Ratsnake Information website has over 80 Ratsnake species subspecies profiles on site There are over 100 articles on Ratsnakes in the article database covering topics such as feeding breeding natural history We have an extensive glossary of herpetological terms The photo gallery has nearly 1500 photos of Ratsnakes organized by species We have morph guides for Orthriophis taeniurus taeniurus Elaphe dione plus other species of Ratsnake Glossary of Herpetological Terms compiled by Dave Royans Sue Knight Search for glossary terms regular expression allowed Begin with Contains Exact term Sounds like All 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Term Definition Gaster Greek Meaning Belly Ventral scales gen nov abbreviation for genus novus meaning a newly descriped species Genera Genera is the plural of genus Genotype An individuals DNA including the influence of environmental variance and the genetic genome associated with the individual Usually a reference to the combination of alleles a specific organism carries for instance homozygous or heterozygous for a particular trait genus novus a newly descriped species Gestation The development of an embryo inside a female animal until it is fully developed and ready for birth In humans we call commonly call it pregnancy Gestation period The period of egg development while the egg is still inside the female before laying The period of time it takes for an embryo to fully develop inside the female in live bearing animals Glottis A tube like structure that is projected from the lower jaw of a snake whilst food is being ingested to facilitate unimpeded breathing while eating large food items gramme Latin Meaning Lines Grandi Latin Meaning Large

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/G (2016-02-01)
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  • Glossary of Herpetological Terms
    T U V W X Y Z Term Definition Habitat The kind of place where a plant or animal naturally lives Habituation Considered to be possibly the simplest form of learning where usually adverse responses are greatly reduced to a single stimulus over a period of time Halotype When a species is first described an individual specimen is allocated the tag of halotype which bears the name of a species The purpose of which is to adhere the name to an individual taxon should later research bring to light the proposed genus was actually composed of more than one species In other words to provide stability to a certain extent in the allocation of taxonomic names to species described Hemi Greek Meaning Half Hemipenes The paired sexual organ of male snakes and lizards When sexually aroused one half of the hemipenes a hemipenis protrudes externally out of the vent and is used in copulation Sperm passes into the female via a partly or fully enclosed groove during mating When not in use the organ is turned inside out and withdrawn inside the vent behind the opening Differences in hemipene structure are frequently used to aid in classification of species and subspecies Hemipenis A single protusion of a reptiles paired sexual organ One half of the organ is used during copulation Herp A slang term for any and all species of reptile and amphibian Also used as a verb meaning to look for reptiles amphibians or crocodilians To go herping Herpetoculture Herpetoculture is the art of keeping amphibians turtles reptiles and crocodilians in captivity in order to breed them for pleasure exhibition study trade or sale Herpetoculturist A person who keeps and makes serious efforts to breed from their reptiles in captivity Herpetological Pertaining to herpetology Herpetologist Strickly meaning a zoologist

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/H (2016-02-01)
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  • Glossary of Herpetological Terms
    1500 photos of Ratsnakes organized by species We have morph guides for Orthriophis taeniurus taeniurus Elaphe dione plus other species of Ratsnake Glossary of Herpetological Terms compiled by Dave Royans Sue Knight Search for glossary terms regular expression allowed Begin with Contains Exact term Sounds like All 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Term Definition IBD Inclusion Body Disease Iconotype An illustration or drawing of the type An illustration serving as a type Immunological distance A comparison between two animals immune systems drawn from the comparison of antibodies from one with the antigens from the other Incomplete penetrance The actual unexpected lower rate of a phenotype that mathematic probability would predict should be present in offspring or a population Incubate To maintain eggs in conditions that are favourable for development and hatching Infraspecific A characteristic that occurs within a species See also intraspecific Ingenti Latin Meaning Gigantic inornata Latin Meaning Not marked insularis Latin Meaning of an island Intergrade The term Intergrade means To merge into each other in a series of stages forms or types Intergrades are formed over hundreds of years in the Wild an example of this would of been The Gulf Hammock Ratsnake Pantherophis obsoletus williamsi Gulf Hammock Ratsnakes occur in the wild where the range of the Grey Ratsnake Yellow Ratsnakes overlap Crosses of these sub species in captivity by hobbyists do not make them Gulf Hammock Ratsnake they are intra specific hybrids meaning a cross between two subspecies Note If you follow Burbrink et al reclassification the Grey and Yellow Ratsnakes as well as the Gulf Hammock Ratsnakes are now only regional variations and

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/I (2016-02-01)
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  • Glossary of Herpetological Terms
    Care Guides Back Asian Ratsnakes Back O t friesi O p coxi C helena E bimaculata Wild Locality Guides Back N American Ratsnakes Morph Guides Back American Back Pantherophis o obsoletus Cornsnakes Asian Back Elaphe dione Orthriophis t taeniurus CB Locality Ratsnakes Back Elaphe dione Photo Gallery Links Directory Contact Us 1 Did You Know The Ratsnake Information website has over 80 Ratsnake species subspecies profiles on site There are over 100 articles on Ratsnakes in the article database covering topics such as feeding breeding natural history We have an extensive glossary of herpetological terms The photo gallery has nearly 1500 photos of Ratsnakes organized by species We have morph guides for Orthriophis taeniurus taeniurus Elaphe dione plus other species of Ratsnake Glossary of Herpetological Terms compiled by Dave Royans Sue Knight Search for glossary terms regular expression allowed Begin with Contains Exact term Sounds like All 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Term Definition Jacobson s Organ A twinned cavity at the front of the upper mouth where olfactory nerves are situated to interpret scent molecules that the tongue picks up The tongue is flicked out to gather olfactory cues and then is inserted into the Jacobson s Organ for interpretation It is used in conjunction with the nostrils to determine the nature of olfactory cues and is extremely sensitive Juxtaposition When two snakes male female align side by side in courtship JV Juvenile Display 5 10 15 20 25 30 50 100 All All 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/J (2016-02-01)
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  • Glossary of Herpetological Terms
    profiles on site There are over 100 articles on Ratsnakes in the article database covering topics such as feeding breeding natural history We have an extensive glossary of herpetological terms The photo gallery has nearly 1500 photos of Ratsnakes organized by species We have morph guides for Orthriophis taeniurus taeniurus Elaphe dione plus other species of Ratsnake Glossary of Herpetological Terms compiled by Dave Royans Sue Knight Search for glossary terms regular expression allowed Begin with Contains Exact term Sounds like All 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Term Definition Karst Refers to caves hollows and other formations in weathered Limestone which often provide suitable habitat for reptiles typified by the presence of red soil Karyology The study of sets of chromosomes Karyotype A standard presentation of all the chromosomes in a cell Keratophagy The practise of eating a slough shed skin The practise is more usual in Lizard species where 248 species in 16 different families have been recorded both from captivity and in the wild 19 cases of keratophagy in 14 species of snake from 4 families Boidae Colubridae Elapidae and Viperidae have currently been reported All except one were in captive environments whether this is a reflection of the greater likelihood of witnessing such an event in captivity is unknown Various theories have been put forward for its reason ranging from nutritional properties of the sloughs sensitivity of skin accidental ingestion avoidance of predators reduced parasite load and specifically for snakes artificial behaviour related to stress All these hypotheses may have merit under certain circumstances with probably accidental ingestion being the most likely in most cases from

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/K (2016-02-01)
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  • Glossary of Herpetological Terms
    dione Orthriophis t taeniurus CB Locality Ratsnakes Back Elaphe dione Photo Gallery Links Directory Contact Us 1 Did You Know The Ratsnake Information website has over 80 Ratsnake species subspecies profiles on site There are over 100 articles on Ratsnakes in the article database covering topics such as feeding breeding natural history We have an extensive glossary of herpetological terms The photo gallery has nearly 1500 photos of Ratsnakes organized by species We have morph guides for Orthriophis taeniurus taeniurus Elaphe dione plus other species of Ratsnake Glossary of Herpetological Terms compiled by Dave Royans Sue Knight Search for glossary terms regular expression allowed Begin with Contains Exact term Sounds like All 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Term Definition Labia Latin Meaning Lips lapsus Meaning in error or interpreted incorrectly Lateral Lateral term used to describe the side of an animal Lateralis Latin Meaning Side Leuco Greek Meaning White Lichenous A reference to markings or patterns that have blurred edges that blend in with the background rather than stand out in contrast to them in a similar fashion to the patterns formed by lichens Lingua Latin Meaning Tongue Lingual fossa A groove in the upper jaw that the tongue flicks through to collect scent molecules for interpretation littoralis Latin Meaning of the waters edge or sea shore Longitudinal Longitudinal lines for instance are lines that travel the length of a snakes body LTC Long Term Captive usually applied to a species that has been acclimatized in captivity but can also mean that it has been in captivity for more than six months Luteus Latin Meaning Orange Orangey Yellow Display

    Original URL path: http://www.ratsnakefoundation.org/index.php/glossary-of-herpetological-terms/L (2016-02-01)
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