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Southern Flying Squirrel (Glaucomys volans)
Taxonomy
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Sciuridae
Genus: Glaucomys
Species: Glaucomys volans
Evolution:
All Subspecies:
G. v. volans
G. v. chontali
G. v. goldmani
G. v. guerreroensis
G. v. herreranus
G. v. madrensis
G. v. oaxacensis
G. v. querceti
G. v. saturatus
G. v. texensis
G. v. underwoodi
How long has this species been in existence: The genus Glaucomys is believed to have existed for about 2 million years, with the southern flying squirrel evolving relatively recently in this timespan.
Closest living relative to this species: The northern flying squirrel (Glaucomys sabrinus).
3 ancestors of this species:
1. Protogomphus: An early rodent-like ancestor.
2. Douglassciurus: An ancient squirrel genus.
3. Sciurillus: An early form of modern squirrels.
Description:
Physical description of the animal:
The southern flying squirrel is a small, nocturnal rodent with a distinctive membrane called the patagium, stretching from wrist to ankle, enabling it to glide between trees.
It has large, dark eyes adapted for night vision and a flattened tail that aids in steering during flight.
Its fur is soft and silky, typically grayish-brown on the back with a creamy white underbelly.
Key characteristics:
Patagium: Membrane used for gliding.
Large eyes: Adapted for nocturnal activity.
Flattened tail: Used for steering during glides.
Size: The body length ranges from 21 to 26 cm (8 to 10 inches) including the tail.
Weight: Typically weighs between 45 to 85 grams (1.5 to 3 ounces).
Life Span: In the wild, they live up to 5 years, while in captivity they can live up to 10 years.
Differences between Males and Females: Males and females are similar in appearance, although females are generally slightly larger. Additionally, females take on the primary role of raising young.
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