Herpetofaunal Glossary

 

Alpine Tundra A ground-hugging plant community including lichens, mosses, grasses, and shrubs that occurs above 11000'
Amphibious  Inhabiting both land and water
Amplexus  The sexual embrace of frogs and toads; the male clasps the female from above with his forelimbs
Anal scale  In snakes, the large scale covering the vent; immediately anterior to the base of the tail on the underside of the body
Anterior  In front of, or toward the front
Anuran  A frog or toad
Aquatic  Water-dwelling
Arroyo  Dry gulch
Arthropod  A joint-legged animal lacking a backbone, especially insects, spiders, and crustaceans
Branchial slit  An opening on the side of the neck of a larval amphibian
Boss  A glandular or bony lump between the eyes of certain toads
Carapace  The upper portion of the shell of a turtle
Carnivorous  Feeding on animals
CL  Carapace length
Cloaca  The chamber into which the intestinal, excretory, and reproductive tracts discharge; empties to the outside through the vent
Cloacal sacs  Glands that open into the cloaca of snakes and some lizards and secrete an odorous liquid
Constriction  In certain snakes called constrictors, a method of killing prey by compressing it in tight coils of the body
Copulation  Sexual intercourse
Cranial crests  Ridges that border the medial and posterior portion of the eyes in certain toads
Digit  Finger or toe
Diploid  Possessing two copies of each type of chromosome (this is the usual condition in nearly all species)
Diurnal  Active during daylight hours
Dorsal  Pertaining to, or situated on or near, the upper surface of an animal
Dorsolateral folds  Ridges of skin along the side of the back in certain frogs
Dorsum  The dorsal side, or back, of an animal
Ectothermic  Deriving body heat from the external environment
Extirpated  No longer extant in a particular area
Fang  A long, sharp tooth, especially a hollow one modified for the conduction of venom
Feces  Excrement
Fossorial  Adapted for digging; living underground
Frontoparietal bones  In spadefoot toads, the bones forming the top of the skull between the eyes
Frontoparietal fontanelle  In spadefoot toads, the gap between the frontoparietal bones
Gills  Feathery vascular structures through which certain amphibians (especially larvae) extract oxygen from the water
Habitat  The natural abode of an organism; the ecological situation in which it is commonly found
Herptile A completely illegitimate term that has been used recently in amateur literature as a short-hand reference to reptiles {and turtles} and amphibians. It is also occasionally used in professional literature by authors who apparently lack a classical background. . . . from Peters, James A. 1964. Dictionary of Herpetology. New York: Hafner Publishing Company.
Hibernaculum (plural, hibernacula)  The place where an organism spends the winter or cold season
Hibernate  To spend the winter in a lethargic, inactive state
Home range  The area in which the daily activities of an individual occur
Hormone  A chemical released into the blood that produces an effect on the activity of cells at a different location
Intermittent Stream/Pond A stream or pond that does not have water year round
Interparietal scale, interparietal  In lizards, the rearmost large scale on the top of the head
Invertebrates  Animals lacking a backbone
Keeled scales  Scales with a straight, longitudinal ridge
Kettle pond  A basin in a glacial deposit, generally a temporary body of water
Labial scales, labials  The lip scales
Labial tooth rows  Rows of tiny, horny, comblike teeth arranged in rows on the lips of anuran larvae The designation “2/3” indicates that the upper lip usually has two rows of teeth and the lower lip has three
Larva (plural, larvae)  A gill-bearing, water-dwelling amphibian that has not metamorphosed
Ligament  A tough band of tissue connecting different bones
Marsh Wetland found adjacent to slow moving streams or lakes/ponds
Medial  Toward or in the middle
Metamorphosis  The change from the gill-bearing larval stage to the gill-less, more terrestrial stage characteristic of most amphibians
Metapopulation  A group of populations that significantly interact with one another over a long period of time  For example, one population (subpopulation) may serve as an important source of individuals for recolonization of a habitat patch in which another population of the same species has been extirpated
Monotypic  Represented by only one member (e.g. , a family or genus with a single species is monotypic, as is a species with no subspecies)
Montane forest Forests of Ponderosa pine, other conifers, and Aspen on mountain slopes between 7500' and 9000'
Mountain meadow-parkland Small to large ("parks") areas of shortgrass, forbs, and wildflowers occurring within high elevation forests
Mountain shrubland Shrub area on semi-arid slopes between 7000' and 8500'
Musk  A smelly substance secreted by glands at the sides of the shell of certain turtles
Neonate  A newly born or hatched individual
Nocturnal  Pertaining to, or active at, night
Omnivorous  Eating both plants and animals
Oral papillae  Clusters of soft, nipplelike, sensory projections surrounding the mouth of certain anuran larvae
Paravertebral  Adjacent to the vertebral (mid-dorsal) line
Parietal scales, parietals  In snakes, a pair of enlarged scales on top of the head, just behind the eyes
Parotoid gland  Aggregation of poison glands forming a lump on each side of the neck of certain toads
Parturition  The act of giving birth
PL  Plastron length
Plastron  The underside of the shell of a turtle
Prefrontal scales, prefrontals  In snakes, 2–4 enlarged scales on top of the head, just in front of the eyes
Preocular scale, preocular  Scale bordering the front edge of the eye
Riparian Habitats surrounding streams or rivers that are moister than nearby uplands
Sandhill Grassland prairie on wind deposited sand dunes
Semi-desert shrubland Lower elevation shrublands found where annual precipitation is less than 20"
Shortgrass plains Plains consisting of a diverse population of grasses and fauna
Shortgrass semi-desert Bunches of shortgrass interspersed with large areas of exposed soil
Special Concern "the state . . . government maintains a list of species that may be at risk of becoming threatened or endangered. (Wildlife in Danger, Colorado Division of Wildlife publication)
Species "a single lineage of ancestral descendant populations of organisms which maintains its identity from other such lineages and which has its own evolutionary tendencies and historical fate" (Wiley, 1978, page 18).
State Endangered "Any species or subspecies of native wildlife whose prospects for survival or recruitment within this state are in jeopardy as determined by the commission" (Colorado Revised Statute 33-1-102(12))
Subalpine forest Spruce-fir forests between 10000' and 11500' adapted to high winds and cold temperatures
Subspecies  A formally named subdivision of a species
Supraocular scales, supraoculars  Scales on top of the head, just above the eyes
SVL (snout-vent length)  The distance from the tip of the snout to the posterior end of the vent
Syntopic  Occurring together in the same habitat in the same site
Taxon (plural, taxa)  A biological entity that has been given a scientific name
Territory  Portion of the home range that is defended against other individuals of the same species
TL (total length)  The distance from the tip of the snout to the tip of the tail in a fully extended individual
Triploid  Possessing three copies of each type of chromosome
Type specimen  Specimen upon which the name of a species or subspecies is based
Upper labial scales, upper labials  Scales on the upper lips, not including the scale at the tip of the snout
Vent  The external opening of the cloaca
Vertebrate  Animal with a flexible column of cartilage or bones along the back, including fishes, amphibians, reptiles, birds, and mammals
Wart Glandular bump in the skin of toads
Wet meadow Waterlogged grassland without standing water year round

Revised: January 15, 2004