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The common brushtail possum has a head and body length of 32–58 cm (13–23 in) [ 7 ] with a tail length of 24–40 cm (9.4–16 in). [ 8 ] It weighs 1.2–4.5 kg (2.6–9.9 lb). [ 8 ] Males are generally larger than females. In addition, the coat of the male tends to be reddish at the shoulders.
The largest difference between the opossum and non-marsupial mammals is the bifurcated penis of the male and bifurcated vagina of the female (the source of the term didelphimorph, from the Greek didelphys, meaning "double-wombed"). [38] Opossum spermatozoa exhibit sperm-pairing, forming conjugate pairs in the epididymis.
The brush-tailed phascogale was first described by Friedrich Meyer in 1793; George Shaw published a revised description in 1800. For some time it was considered a member of the opossum genus Didelphis, but this ended in 1844 when Coenraad Jacob Temminck erected the genus Phascogale. The species is closely related to the red-tailed phascogale (P ...
The common ringtail possum (Pseudocheirus peregrinus, Greek for "false hand" and Latin for "pilgrim" or "alien") is an Australian marsupial. It lives in a variety of habitats and eats a variety of leaves of both native and introduced plants, as well as flowers, fruits and sap. This possum also consumes caecotropes, which is material fermented ...
Eastern pygmy possum in Pilliga forest, NSW. Eastern pygmy possums are very small, weighing from 15 to 43 grams (0.53 to 1.52 oz) and having a body length of between 7 and 9 centimetres (2.8 and 3.5 in) with a 8 to 11 centimetres (3.1 to 4.3 in) tail. They are dull grey above and white below, with big, forward pointing, almost hairless, ears ...
Cloaca of a red-tailed hawk. A cloaca (/ kloʊˈeɪkə / ⓘ kloh-AY-kə), pl.: cloacae (/ kloʊˈeɪsi / kloh-AY-see or / kloʊˈeɪki / kloh-AY-kee), or vent, is the rear orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals. All amphibians, reptiles, birds, and a ...
Sugar glider. The sugar glider (Petaurus breviceps) is a small, omnivorous, arboreal, and nocturnal gliding possum. The common name refers to its predilection for sugary foods such as sap and nectar and its ability to glide through the air, much like a flying squirrel. [8] They have very similar habits and appearance to the flying squirrel ...
List of didelphimorphs. Virginia opossum (Didelphis virginiana) Didelphimorphia is an order of marsupial mammals. Members of this order are called didelphimorphs, or opossums. They are primarily found in South America, though some are found in Central America and Mexico and one, the Virginia opossum, ranges into the United States and Canada.