2013 Envirothon

Map Turtle
How large is this turtle?
seven to eleven inches in shell length
Map Turtle
How do these turtles bask?
Due to limited basking sites, these turtles pile on top of each other on rocks or logs
Map Turtle
Is this a shy turtle?
yes. this is a stupid subjective question
Map Turtle
What color is the carapace?
greenish to olive-brown
Map Turtle
What is the pattern of the carapace?
irregular pattern of thin, yellow-orange lines networking the upper shell randomly like roads
Map Turtle
How is the carapace shaped?
somewhat flattened; marked with distinctive keel
Map Turtle
Describe the plastron.
yellowish and bears no markings
Map Turtle
What color is the carapace?
greenish to olive-brown
Map Turtle
Describe head, neck and tail; and face
head, neck and tail are accented with narrow yellow lines; a yellow somewhat triangular spot is behind each eye
Map Turtle
What is the range?
one larger and two smaller parts:
along Lake Erie; Ohio River Drainage; major portion of Susquehanna Basin; Lower Delaware Basin
Map Turtle
How did it travel from native Lake Erie home to Hudson River?
through the canals; Hudson River gave it access to Delaware River
Map Turtle
Boundaries
across upper New York to Wisconsin; south to Louisiana
Map Turtle
habitat
prefers slow-moving large rivers over smaller, faster waters; prefers lakes rather than ponds; prefers mud bottoms with stands of vegetation
Map Turtle
hibernation
not in a hurry to hibernate; comes out sooner than other species
Map Turtle
reproduction
may have two or more clutches of eggs per year (depending on how far north it is); 12-14 eggs in May to mid-July; hatch in mid-August to September
Map Turtle
When do hatchlings leave the nest?
sometimes not til the following May or June
Map Turtle
Food
some vegetable, but mostly mollusks and crayfish; females can crush large snails and freshwater clams
Blanding’s Turtle:
What list is this turtle on?
PA List of Candidate Species
Blanding’s Turtle
Who was Dr. William Blanding?
a Philadelphia naturalsit that lived in the 1800s (nineteenth century)
Blanding’s Turtle
adult shell length
five to seven inches
Blanding’s Turtle
temperatures
more tolerant of cold temperatures than most other turtles
Blanding’s Turtle
identification of carapace
carapace is smooth and shaped like helmet
lots of pale yellowish spots (heavy profusion)that sometimes connect
Blanding’s Turtle
identification of plastron/lower shell
yellow and accented with large black splotches
Blanding’s Turtle
chin and throat
bright yellow; in PA only the softshell turtles have longer necks
Blanding’s Turtle
head and face
large protruding eyes in a flat head
Blanding’s Turtle
How is plastron hinged?
it can be closed but not to the extent the box turtle is able to close up
Blanding’s Turtle
range
Nebraska to Ohio and Ontario
may benot found in PA at all; never had a large territory
Blanding’s Turtle
habitat
~primarily aquatic
~likes to bask but will not go far from water
~Wetlands are a favorite
~favors an area covered with dense growth of vegetation
Blanding’s Turtle
Food
varied; carnivore; crayfish, insects and snails; berries; sometimes frogs if they are able to catch them