coastal rosy boa

coastal rosy boa
Connor Long · CC BY-SA 4.0 · source
Name	Coastal rosy boa
Genus	Lichanura
Species	trivirgata
Subspecies	roseae
Authority	(Cope, 1866)

coastal rosy boa

The coastal rosy boa is a nonvenomous colubroid snake native to parts of western North America, notable for its glossy scales and slow-moving, secretive habits. It is recognized by herpetologists and field naturalists for its distinct striping and small size, and has been the subject of conservation assessments, captive care literature, and regional faunal surveys.

Taxonomy and Nomenclature

The coastal rosy boa is classified within the genus Lichanura and the family Boidae. Historic taxonomic treatments and revisions were debated in literature associated with institutions such as the Smithsonian Institution, American Museum of Natural History, and regional museums; notable authorities include Edward Drinker Cope who described many North American reptiles and amphibians. Molecular phylogenetic studies comparing sequences from taxa represented in datasets assembled by researchers affiliated with universities like University of California, Berkeley, Harvard University, and University of Texas at Austin have informed modern circumscriptions used by resources such as the IUCN and regional checklists published by organizations including the California Academy of Sciences.

Description

Adults typically reach modest lengths documented in field guides produced by the National Geographic Society and state natural history programs. The dorsum usually exhibits three longitudinal stripes with coloration described in monographs distributed by the American Society of Ichthyologists and Herpetologists and regional herpetological societies. Museum specimens curated at facilities like the Natural History Museum, Los Angeles County and the San Diego Natural History Museum show variation in pattern and scalation that has been detailed in keys used by curators and taxonomists.

Distribution and Habitat

Range maps in floras and faunal surveys indicate occurrence along coastal and peninsular regions studied by researchers from institutions such as the University of California, San Diego, San Diego State University, and provincial agencies in Baja California. Habitats include arid scrub and rocky slopes within ecoregions addressed in reports from the United States Geological Survey and state parks managed by entities like the California Department of Parks and Recreation. Locality records are represented in museum databases shared with aggregators such as the Global Biodiversity Information Facility.

Behavior and Ecology

Field studies and ecological reviews published in journals of organizations including the Ecological Society of America and the Society for the Study of Amphibians and Reptiles describe this boa as primarily nocturnal to crepuscular with fossorial tendencies; researchers from universities such as University of Arizona and Arizona State University have contributed telemetry and observational data. Predation, prey selection, and interspecific interactions are discussed in regional conservation reports and naturalist accounts associated with the Audubon Society and state wildlife agencies. Seasonal activity patterns are referenced in bulletins from the California Department of Fish and Wildlife and comparative studies in journals edited by the American Institute of Biological Sciences.

Reproduction and Life History

Reproductive biology summaries appear in herpetological monographs and captive husbandry manuals published by the Herpetologists' League and breeders affiliated with associations like the North American Reptile Breeders' Expo. Life history parameters including litter size, gestation, and juvenile growth have been documented by researchers at institutions such as University of Nevada, Reno and in field notes aggregated by regional natural history museums. These data inform management recommendations cited by conservation organizations including the Nature Conservancy and state-level environmental offices.

Conservation and Threats

Conservation assessments drawing on datasets compiled by the IUCN, NatureServe, and state agencies evaluate threats from habitat conversion noted in planning documents produced by county governments, transportation departments, and regulatory agencies like the California Coastal Commission. Other pressures, such as collection for the pet trade and fragmentation examined in environmental impact statements prepared for projects overseen by the United States Fish and Wildlife Service, are discussed in management plans and non-governmental reports from groups including the Center for Biological Diversity.

Interaction with Humans and Captivity

The species is maintained in captivity, with husbandry protocols disseminated through trade shows and publications from organizations such as the International Herpetological Society, Association of Reptile and Amphibian Veterinarians, and commercial breeders who participate in exhibitions like the Reptile Super Show. Educational outreach about the species has been conducted by nature centers affiliated with institutions such as the San Diego Zoo Global and local chapters of the California Native Plant Society, while regulatory frameworks affecting ownership and trade are administered by agencies including the California Department of Fish and Wildlife and customs authorities.

Category:Snakes of North America Category:Boidae