the bog turtle
DESCRIPTION
The Bog Turtle. Alexus Robinson 2/7/14 Period 3 – Environmental Science Endangered/Threatened Species. Common Name. Bog turtle Latin Name Glyptemys muhlenbergii. Life History. Sexually mature at the ages of 8-11 (both ages) Mate in the spring (after hibernation) (can last 5-20 minutes) - PowerPoint PPT PresentationTRANSCRIPT
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ALEXUS ROBINSON2/7 /14
PERIOD 3 – ENVIRONMENTAL SCIENCEENDANGERED/THREATENED SPECIES
The Bog Turtle
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Common NameBog turtle
Latin NameGlyptemys muhlenbergii
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Life History• Sexually mature at the
ages of 8-11 (both ages)
• Mate in the spring (after hibernation) (can last 5-20 minutes)
• Females can mate once, twice, or not at all.
• Males try to mate as many times as possible
• Nesting time is between April and July
• Most eggs are laid in June
• Females lay 1-6 eggs
• Many offspring do not survive sexually maturity
• After eggs are laid they go through an incubation period (last 42-80 days)
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Life History (Continued)•If laid in colder weather, they incubate through the winter and hatch in the spring
•Babies are about 2.5 cm when hatched in late August/September
•Females are born smaller and grow slower
•In the first 4 years, they double in size (are not fully grown until they are about 5 or 6 years of age)
•Have a maximum lifespan of 50 years (average lifespan is 20-30 years)
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Physical CharacteristicsSize: 3-3.5 in
Weight: 3.9 oz
Color: Bright yellow or orange spot on both sides of their head and neck. Dark body color. With orange-red splotches on the inside legs of some turtles. The upper shell is usually black. The lower shell can have cream and black blotches
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ReproductionAge: 8-11
Gestation: About 3 months
Litter Size: 1-4 eggs
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Food and Water PreferenceFood: Seeds, berries, shoots, invertebrates, insects/insects larvae, crayfish, mollusks, worms, snails, slugs, amphibians, nestling rodents, and nestling birds
Water: Freshwater
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Habitat Wetlands, meadows, bogs, and marshes
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DistributionTerritory and Range
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Ecology and Behavior•Active during the day, sleeps at night
•Wakes up, sunbathes until warm – searches for food
•Stays in dense underbrush, underwater, or buried in mud during winter months
•Stays out of the sun during the hottest hour
•Late September – March/April = hibernation
•Male = territorial
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Predators, Parasites, and DiseasePredators: Snapping turtles, snakes, muskrats, striped skunks, foxes, dogs, and raccoons
Parasites: Parasitic flies
Disease: Bacterial infections, and bacterial aggregates
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Cause of ListingHabitat loss from the draining and filling of wetlands for farming and development, including housing, roads, and golf courses. Illegal collection of bog turtles for the pet trade
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Status (Delaware and Federal)Delaware: Threatened
Federal: Threatened
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Conservation Management Needs•Field surveys
•Radio transmitters
•Breeding in captivity
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Impacts to Ecosystem if Eliminated Food source for many animals
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Site References•http://www.virginiaherpetologicalsociety.com
•http://www.dec.ny.gov
•http://www.d20pfsrd.com
•http://frogs-ny.org
•http://www.conservewildlifenj.org
•http://www.iucnredlist.org
•http://www.fws.gov
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ConclusionThis animal is very secretive, mostly being under mud or underbrush out of sight. They are an important food source and are threatened to being endangered.
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Questions?Thank you for taking the time to view my presentation.