Most spiny rats are rare and poorly known, but a few are extremely abundant. Various species are respectively terrestrial, arboreal, or fossorial. In general, the arboreal forms are most rat-like in …

American spiny rat, (family Echimyidae), any of at least 80 nocturnal species of medium-sized Central and South American rodents that have a bristly coat of flat flexible spines, although a …

Spiny rat may refer to: Echimyidae, the Neotropical spiny rats, a family of South and Central American caviomorph rodents; or any of the following genera or species of tropical or …

2025年4月4日 · The name “rat” typically covers the true rats of the Rattini tribe (including, for example, species of the Rattus genus), but has also been used in common names for groups …

Fossil echimyids are known from the late Oligocene to Miocene and Pleistocene to recent. Several fossil forms reached considerable size. The family is closely related to the …

Spiny rats are medium sized rodents, but they are relatively small compared to most other South American hystricognaths. They range in head-body length from around 80 to almost 500 mm.

Spiny rats and hutias, part of the family Echimyidae, are primarily found in the tropical regions of Central and South America. These remarkable mammals are diverse in size and lifestyle, …

Geographic range: The spiny rat is found in Colombia, Costa Rica, Ecuador, Honduras, Nicaragua, and Panama. Habitat: The spiny rat lives in rainforest, usually in dense underbrush …

Tome's spiny rat (Proechimys semispinosus), also known as Tomes' spiny rat or the Central American spiny rat, is a species of spiny rat distributed from Honduras to Ecuador. The IUCN …

Tome's spiny rats have spines that are adapted from their guard hairs, which likely act as predator defense. Tome's spiny rats exhibit tail autonomy, which is a very unique trait among rodents.