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The North American Bullfrog - Online Term Paper

The North American Bullfrog

The North American Bullfrog is a member of the Ranidae family and is considered an aquatic frog. These frogs can be found throughout most of North America in large bodies of water, lakes, swamps and ponds. It often rests along the water's edge, but also can be found on land when the weather is warm and rainy. This frog can also be found in British Columbia and Nova Scotia.

The North America Bullfrog is the largest of all of the North America Ranids. The typical body length and weight of this frog is 7.9 inches and 1.7 pounds. The females tend to be bigger than the males. The North American Bullfrog tends to be different shades of brown or green and may have dark blotches. The baritone ...

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are typically green or gray-brown with brown spots and have easily identifiable circular eardrums, or tympanum, on either side of their heads.

Nocturnal predators, they will ambush and eat just about anything they can fit in their ample mouths, including insects, mice, fish, birds, and snakes. They sit quietly and wait for prey to pass by, then lunge with their powerful hind legs, mouths open wide.

The fertilization is external in North American Bullfrogs, meaning that as the female lays the eggs the may releases his sperm onto them. These frogs begin breeding late in the spring or early in the summer and the males tend to attract the females to their territory. It takes three to five days for the eggs to hatch and metamorphosis can take just a few months (in the south) up to three years (in the north). The average lifespan of a North American Bullfrog is 8-10 years, but those that are captive may live a bit longer with the longest captive lifespan being 16 ...

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PAPER DETAILS
Added: 7/12/2012 11:22:24 AM
Submitted By: damonthmp
Category: Science & Nature
Type: Premium Paper
Words: 381
Pages: 2

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