One of the big threats to dragonfly and damselfly comes from the turtles that live in the shallow waters of Wood Lake.
Fossil records indicate that the earliest know turtles existed around 215 million years, making turtles one of the oldest existing species on earth. Today there are about 300 different species of turtles in the world and they range in size from the spekled padloper tortoise, 3 inches long and weighing 5 oz, to the leatherback sea turtle, 80 inches long and weighing 2000lbs. Of the 300 different species of turtles in the world there are approximately 60 or so different types of turtles in North America. In Minnesota we only have around 10 types. The turtles in these pictures are the most common type that we see in Minnesota, the painted turtle.
The painted turtle, sometimes called a "mud Turtle" in my neck of the woods, is named for the bright colored pattern on the belly, otherwise called a plastron, of the turtle. They are semi-aquatic, spending most of their time in the waters of ponds, lakes, or slow moving rivers with muddy bottoms, although they can frequently be seen sitting on floating logs or rocks in the sun. This behavior is called basking and it is a way for the turtles to generate heat because they are cold blooded and can not regulate their own body temperatures internally. Turtles are omnivores and will eat almost anything that they can get into their mouths. This includes insects like our friends the dragonflies.
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