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Reptiles
Cold-blooded vertebrates of the class Reptilia. Characterized by skin covered with scales or horny plates and reproduced by eggs. Includes snakes, lizards, crocodiles, alligators, turtles, and extinct species such as dinosaurs.
Subtopics:
Dinosaurs (3 items)
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Results 1 - 16 of 16 listed alphabetically [list by similarity]
Amphibians & reptiles of the southeastern United States and the U.S. Virgin Islands [More info]
Links to information on species of frogs, toads, and salamanders located in the southeastern United States and the U.S. Virgin Islands, with information on appearance, habitats, calls, and status, plus photos, glossary, and provisional data.
Biological resource status and trends: Crocodilians [More info]
Information concerning status and trends of biological resources, focusing on crocodilians including alligators
Biological resource status and trends: Lizards [More info]
Information concerning status and trends of biological resources, focusing on lizards
Biological resource status and trends: Reptiles [More info]
Information concerning status and trends of biological resources, focusing on Reptiles
Biological resource status and trends: Snakes [More info]
Information concerning status and trends of biological resources, focusing on snakes
Biological resource status and trends: Turtles [More info]
Information concerning status and trends of biological resources, focusing on turtles
PDF Buck Island Reef National Monument Sea Turtle Research Program: Sea turtle nesting research & monitoring protocols manual [More info]
Manual for research program on the nesting habits of sea turtles of the Virgin Islands, with descriptions of species, nesting behavior, observation methods, record keeping, tagging, and tissue sample collection. (PDF file, 121 pp.)
Data for giant constrictors - Biological management profiles and an establishment risk assessment for nine large species of pythons, anacondas, and the boa constrictor [More info]
Locations for nine species of large constrictors, from published sources, along with monthly precipitation and average monthly temperature for those locations. Shapefiles for each snake species studied.
Desert tortoise research at Western Ecological Research Center (WERC) [More info]
Links to research studies, conservation information, and general information on desert tortoises at the Western Ecological Research Center in Sacramento, California.
PDF Detailed seafloor habitat mapping to enhance marine-resource management [More info]
We conduct systematic imaging of reef habitats in order to provide regulatory agencies with information they need to decide whether those reefs should be designated as protected areas.
Dinosaurs, fact and fiction [More info]
Online booklet with answers to frequently asked questions about dinosaurs.
Education resources for paleontology [More info]
Contacts and other sources of information for teachers, students, and others interested in paleontology with links to related USGS websites and on-line publications.
Field guide to the reptiles and amphibians of coastal Southern California [More info]
Field guide to identify the reptiles and amphibians of coastal Southern California with glossary and map.
Nonindigenous reptile distribution information [More info]
Descriptions of reptiles and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on reptiles.
Online guide to the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico [More info]
Field guide describing the geology and paleontology of the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico.
The heat is on: Desert tortoises and survival (video) [More info]
30-minute video (and transcript) about desert tortoises, their habitats, and USGS efforts to aid their recovery.
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