Earthworms can consume about 1/2 to 1 times their body weight every day.Fossil evidence shows that earthworm-like creatures have been around for at least a half a billion years, surviving the mass extinction of animals about 65 million years ago that finished off the dinosaurs, among others.What makes this more incredible is that a typical garden variety of earthworm can process about 10 pounds of organic material per worm per year. This means that on an average farm with livestock, the weight of the worms beneath the surface of the land will likely outweigh the livestock that walk on top. Poor quality soil will have closer to the 250,000 range good quality soil, such as farm land, will have closer to the 1.75 million worms per acre. According to research done at the Rothamsted Experimental Station, depending on soil quality, there can be anywhere from 250,000-1.75 million earthworms per acre of land.It has not been spotted since around 1980.Īnother fascinating earthworm is a variety found in New Zealand, the North Auckland Worm, which typically grows about 4-5 feet long and glows with several of them around, you’ll supposedly have enough light to read by in the dark. Just south of Washington, in Oregon, there is a species of earthworm that grows to about 3 feet long and, if you handle it, will give off a strong smell of lilies. There also used to be a variety of earthworm in Washington State that grew to an average length of two feet long, but this type of worm hasn’t been spotted since 1978. However, on Australian farms that have this worm, you can hear gurgling sounds coming from the ground as they move through the soil, processing about 1/2 to 1 times their body weight in dead organic material per day. Other varieties of large earthworms include the Giant Gippsland earthworm of Australia, which grows about 3 feet long, but can stretch up to 12 feet and weigh as much as 1.5 pounds. The largest one ever found so far, being 22 feet long, was found on a road side in 1967. Today I found out South African earthworms can grow as large as 22 feet long, with the average length being about 6 feet long.
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