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Published byBriana Hunter Modified over 8 years ago
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updates Lab practical is next Monday (3/9) !!! Use notes sheets but not books No subspecies ID Will only have to ID specimens with at least one defining character Study plates in field guide- could ID a live specimen or picture Everything in study guide fair game but nothing beyond Sign up for time to take practical (2 groups- 2:00 or 3:30) Lab will be open to study: Wednesday 12:30 – 2:30 Friday 1:00-3:00, 4:00-6:00 Updates
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updates April 11th – 12 th Briones Regional Park April 20 th – Pyramid Lake April 27 th – Rancho San Rafael Can’t make it? Michelle Gordon – Dixie Valley Toads Palm Springs – Side-Blotched Lizards, March 12 th – 22 nd Field Trips
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updates Species names italicized Gopherus agassizii Rana pipiens NOT Gopherus berlandieri Capitalize all higher levels of taxonomy (proper nouns) Bufonidae (NOT bufonidae) Remember: -0.2 pts for spelling/grammatical mistakes Reread your work! Species Accounts -10% of total points: by midnight, Wednesday
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updates Expand upon current field guide entries combine information Primary literature = from a peer-reviewed journal Please no direct quotes Whole sentences verbatim from a source WITHOUT quotes is PLAGIARISM!!! Paraphrase! Species Accounts
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snakes Order: Crocodylia Crocodilians 3 species in the U.S. Order: Testudines Turtles 2 species native to Nevada, 2 species introduced We will learn 5 families native to U.S.
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crocodile Crocodylidae- Crocodiles 3 genera, in U. S. American crocodile Salt/brackish water- FL Everyglades & Keys (rare) Long, tapering snout, 4 th tooth exposed Crocodylus acutus
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crocodile Alligatoridae- Alligators & Caimans 4 genera, 2 subspecies (Americas & China) American alligator in southeastern U.S. Broadly rounded snout Spectacled caiman introduced in FL Bony ridge in front of eyes Alligator mississippiensis Caiman crocodilus
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boas Chelydridae- Snapping turtles Americas Common snapping turtle introduced to NV (central/eastern U.S.) “ugly both in appearance and disposition” Strike repeatedly on land Rarely bask, bury in mud Caught for soups and stews Chelydra serpentina
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colubrids Emydidae- Pond, Marsh, and Box turtles Largest turtle family, many in U.S. Western pond turtle is Nevada native Aquatic turtle in variety of habitats- fresh to salt water Painted turtle introduced to CA (central/eastern U.S.) Aquatic, cold-tolerant, communal basking turtle Red-eared slider introduced to CA (central/eastern U.S.) Prefers quiet water with veg, basking turtle Trachemys scriptaChrysemys pictaClemmys marmorata
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vipers Graptemys sp.- map turtles Shy lake and river turtles with keeled carapace Terrapene sp.- box turtles Terrestrial with hinged plastrons Emydidae- Pond, Marsh, and Box turtles Graptemys sp.Terrapene carolina carolina
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colubrids Kinosternidae- Mud and Musk turtles 4 genera, Americas “Stinkpots”- musky secretion from side of body Aquatic “bottom crawlers” Kinosternon sp.- mud turtles Sternotherus sp.- musk turtles Sternotherus sp.Kinosternon sp.
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colubrids Testudinidae- Tortoises 15 genera, worldwide Usually high-domed shell with elephantine limbs Terrestrial and most herbivorous 4 species in U.S.- gopher, texas, Morafka’s, and Mojave desert (native NV) Gopherus agassizii
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colubrids Trionychidae- Softshell turtles 13 genera, worldwide Flattened shells with no epidermal scutes, leathery skin Spiny softshell is a river turtle introduced to NV, native to central/eastern U.S. Apalone spinifera
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