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The European nightcrawler (Dendrobaena hortensis) is a medium-small earthworm averaging about 1.5 g when fully grown. Generally blueish, pink-grey in color with a banded or striped appearance, the tips of their tails are often cream or pale yellow. When the species has not been feeding, it is pale pink. The species is usually found in deep ...
Description. C. amoenus is a small snake. Adults are 19–28 cm (7.5–11.0 in) in total length, with a record length of 34 cm (13 in). [5] The 13 rows of dorsal scales are smooth and glossy. It has five upper labials and one postocular scale. [6] C. amoenus is unpatterned and can be either brown or dark brown with a reddish belly.
Earthworm head. Lumbricus terrestris is relatively large, pinkish to reddish-brown in colour, generally 110–200 millimetres (4.3–7.9 in) in length and about 7–10 millimetres (0.28–0.39 in) in diameter. It has around 120–170 segments, often 135–150. The body is cylindrical in the cross section, except for the broad, flattened ...
A few species exhibit pseudogamous parthogenesis, meaning that mating is necessary to stimulate reproduction, even though no male genetic material passes to the offspring. [37] Earthworm mating occurs on the surface, most often at night. Earthworms are hermaphrodites; that is, they have both male and female sexual organs. The sexual organs are ...
Narceus americanus is a large millipede of eastern North America. Common names include American giant millipede, [ 1 ]worm millipede, and iron worm. [ 2 ] It inhabits the eastern seaboard of North America west to Georgetown, Texas, north of the Ottine wetlands. [ 3 ] It has a nearly cylindrical gray body, reaching a length of 4 inches (100 mm ...
Earthworms are shifting their ranges northwards into forests between 45° and 69° latitude in North America that have lacked native earthworms since the last ice age. [3] Of the 182 taxa of earthworms found in the United States and Canada, 60 (33%) are introduced species, these earthworm species are primarily from Europe and Asia.
Leeches are segmented parasitic or predatory worms that comprise the subclass Hirudinea within the phylum Annelida. They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular segmented bodies that can lengthen and contract. Both groups are hermaphrodites and have a clitellum, but leeches ...
Several species recently lived wild in Pennsylvania, but are now extirpated (locally, but not globally, extinct). They are the marsh rice rat (Oryzomys palustris), eastern wolf (Canis lycaon), American marten (Martes americana), wolverine (Gulo gulo), cougar (Puma concolor), Canada lynx (Lynx canadensis), moose (Alces alces), and bison (Bison ...