A woodrat is any of 23 species of medium-sized North and Central American rodents of the genus Neotoma . They are also known as "packrats" because they collect food and debris on or near their dens; these collections are called middens. Woodrats are nocturnal and active year-round. They can be found in a broad spectrum of habitats, including desert plateaus and mountains, the southern Great Plains, and many types of forests. Woodrat diets are vegetarian, but three species exhibit dietary specialization. The populations of most woodrat species are not of concern; however, Nelson’s woodrat is considered a critically endangered species.

What do woodrats eat?

Woodrats, also known as packrats, are medium-sized rodents found in North and Central America. They are nocturnal vegetarians with varied diets depending on the species and habitat. While most woodrats eat a variety of plants, some species have dietary specializations. For example, Stephen’s woodrat eats almost entirely juniper sprigs, while the Arizona woodrat and white-throated woodrat feed mostly on prickly pear, cholla cacti, and yucca plants. They build nests, called middens, consisting of accumulated food and debris such as bones, sticks, dry manure, and shiny metal objects.

How do woodrats build their nests?

Woodrats, also known as packrats, are medium-sized North American and Central American rodents . They are known for their characteristic accumulation of food and debris, called middens, on or near their dens. Woodrat nest construction ranges from simple to elaborate. The Allegheny woodrat builds a simple cup nest of plants, protected by a small pile of sticks. Dusky-footed woodrats construct huge stick nests, which can be more than 1 meter (3.3 feet) high, on the ground, rocky slopes, or in tree canopies. Other woodrats build moderately large structures at the bases of cacti, bushes, or trees, in caves, on rock-strewn slopes, or on ledges.

What are some unique behaviors of woodrats?

Woodrats, also known as packrats, are medium-sized North American and Central American rodents with unique behaviors. They are known for collecting food and debris, such as bones, sticks, dry manure, and shiny metal objects, creating collections called middens near their dens. These nocturnal and generally solitary animals construct nests ranging from simple plant cups to large stick nests. Some species exhibit dietary specialization, like Stephen’s woodrat, which eats mostly juniper sprigs, while others feed on prickly pear, cholla cacti, and yucca plants. Ecologists and paleontologists analyze preserved plants in ancient dens to reconstruct plant communities and climate over the last 40,000 years.

How are woodrats different from other rodents?

Woodrats, of the genus Neotoma , are medium-sized rodents found in North and Central America. Twenty-three species exist, some known as "packrats" due to their habit of collecting food and debris in middens near their dens. Key distinctions of woodrats: * Size and appearance Woodrats vary in size, from the Arizona woodrat at less than 132 grams to the bushy-tailed woodrat at up to 600 grams. Their fur is soft and thick, with colors ranging from gray to reddish-brown. * Habitat and diet They inhabit diverse environments, from deserts to forests, with some species specializing in their diets, such as Stephen’s woodrat, which eats mostly juniper sprigs. * Nests Nest construction varies, from simple plant cups to large stick nests. In dry areas, urine cements structures, which can last for thousands of years. These preserved middens help ecologists study past plant communities and climates.

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riparian woodrat (Neotoma fuscipes riparia)

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Related Topics:: Arizona woodrat; bushy-tailed woodrat; white-throated woodrat; dusky-footed woodrat; desert woodrat

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Q: Where do woodrats live?

Woodrats (genus Neotoma ) are medium-sized rodents found in North and Central America. They are nocturnal, active year-round, and generally solitary. Woodrats inhabit a variety of environments, from desert plateaus and mountains to the southern Great Plains and various forest types. They can be found from Yukon and the westernmost Northwest Territories through most of the United States and south to western Honduras. Nest construction varies among woodrat species, from simple plant cups to large stick nests. Some woodrats build moderately large structures at the bases of cacti, bushes, or trees, in caves, on rock-strewn slopes, or on ledges. In arid environments, the mineral content in their urine hardens these structures, creating middens that can last for thousands of years.

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Also known as: Neotoma, packrat, trade rat

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What is a woodrat?
A woodrat is any of 23 species of medium-sized North and Central American rodents of the genus Neotoma. They are also known as "packrats" because they collect food and debris on or near their dens; these collections are called middens. Woodrats are nocturnal and active year-round. They can be found in a broad spectrum of habitats, including desert plateaus and mountains, the southern Great Plains, and many types of forests.

Woodrat diets are vegetarian, but three species exhibit dietary specialization. The populations of most woodrat species are not of concern; however, Nelson’s woodrat is considered a critically endangered species.
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Where do woodrats live?
Woodrats (genus Neotoma) are medium-sized rodents found in North and Central America. They are nocturnal, active year-round, and generally solitary. Woodrats inhabit a variety of environments, from desert plateaus and mountains to the southern Great Plains and various forest types. They can be found from Yukon and the westernmost Northwest Territories through most of the United States and south to western Honduras.

Nest construction varies among woodrat species, from simple plant cups to large stick nests. Some woodrats build moderately large structures at the bases of cacti, bushes, or trees, in caves, on rock-strewn slopes, or on ledges. In arid environments, the mineral content in their urine hardens these structures, creating middens that can last for thousands of years.
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What do woodrats eat?
Woodrats, also known as packrats, are medium-sized rodents found in North and Central America. They are nocturnal vegetarians with varied diets depending on the species and habitat. While most woodrats eat a variety of plants, some species have dietary specializations. For example, Stephen’s woodrat eats almost entirely juniper sprigs, while the Arizona woodrat and white-throated woodrat feed mostly on prickly pear, cholla cacti, and yucca plants. They build nests, called middens, consisting of accumulated food and debris such as bones, sticks, dry manure, and shiny metal objects.
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How do woodrats build their nests?
Woodrats, also known as packrats, are medium-sized North American and Central American rodents. They are known for their characteristic accumulation of food and debris, called middens, on or near their dens.

Woodrat nest construction ranges from simple to elaborate. The Allegheny woodrat builds a simple cup nest of plants, protected by a small pile of sticks. Dusky-footed woodrats construct huge stick nests, which can be more than 1 meter (3.3 feet) high, on the ground, rocky slopes, or in tree canopies. Other woodrats build moderately large structures at the bases of cacti, bushes, or trees, in caves, on rock-strewn slopes, or on ledges.
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What are some unique behaviors of woodrats?
Woodrats, also known as packrats, are medium-sized North American and Central American rodents with unique behaviors. They are known for collecting food and debris, such as bones, sticks, dry manure, and shiny metal objects, creating collections called middens near their dens.

These nocturnal and generally solitary animals construct nests ranging from simple plant cups to large stick nests. Some species exhibit dietary specialization, like Stephen’s woodrat, which eats mostly juniper sprigs, while others feed on prickly pear, cholla cacti, and yucca plants. Ecologists and paleontologists analyze preserved plants in ancient dens to reconstruct plant communities and climate over the last 40,000 years.
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2. rodent: Natural history
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How are woodrats different from other rodents?
Woodrats, of the genus Neotoma, are medium-sized rodents found in North and Central America. Twenty-three species exist, some known as "packrats" due to their habit of collecting food and debris in middens near their dens.

Key distinctions of woodrats:
* Size and appearance Woodrats vary in size, from the Arizona woodrat at less than 132 grams to the bushy-tailed woodrat at up to 600 grams. Their fur is soft and thick, with colors ranging from gray to reddish-brown.
* Habitat and diet They inhabit diverse environments, from deserts to forests, with some species specializing in their diets, such as Stephen’s woodrat, which eats mostly juniper sprigs.
* Nests Nest construction varies, from simple plant cups to large stick nests. In dry areas, urine cements structures, which can last for thousands of years. These preserved middens help ecologists study past plant communities and climates.
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2. Definition of wood rat
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woodrat, (genus Neotoma), any of 23 species of medium-sized North American and Central American rodents. Some species are commonly known as “packrats” for their characteristic accumulation of food and debris on or near their dens. These collections, called “middens,” may include bones, sticks, dry manure, shiny metal objects, and innumerable items discarded by or stolen from humans.

The bushy-tailed woodrat (Neotoma cinerea), often called a packrat, is among the largest and most common woodrats, weighing up to 600 grams (about 1.3 pounds) and having a body length of up to 25 cm (nearly 10 inches). Its slightly shorter tail is long-haired and bushy, which is unique within the genus. The Arizona woodrat (N. devia) is one of the smallest, weighing less than 132 grams (4.7 ounces) and having a body length of up to 15 cm (5.9 inches). Its tail, measuring up to 14 cm (5.5 inches) long, is more typical in being densely haired but not bushy. Woodrats’ eyes are large, their protruding ears are nearly bald, and their feet are white. The long, thick, soft fur varies among species from gray to reddish brown above and from white to rust-coloured on the underparts. Some populations of the desert woodrat (N. lepida) and the white-throated woodrat (N. albigula) are black (melanistic).

Woodrats are nocturnal and active year-round. Generally solitary, they range from Yukon and the westernmost Northwest Territories through most of the United States and south to western Honduras. They populate a broad spectrum of habitats, including desert plateaus and mountains, the southern Great Plains, and many types of forests (eastern deciduous, piñon-juniper, coniferous, boreal, and tropical thorn and scrub). All woodrats are vegetarian, and three species exhibit dietary specialization: Stephen’s woodrat (N. stephensi) subsists almost entirely on juniper sprigs, and N. albigula and N. lepida feed mostly on prickly pear, cholla cacti, and yucca plants.

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

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At the simple extreme of woodrat nest construction is that of the Allegheny woodrat (N. magister). Although its nest is merely a cup made of plants, the woodrat protects it with a small pile of sticks among boulders on a cliff ledge or inside a cave. The most elaborate configuration is the huge stick nest of the dusky-footed woodrat (N. fuscipes), which can be more than 1 metre (3.3 feet) high and is built on the ground, on rocky slopes, or in tree canopies. Other woodrats live in moderately large structures built at the bases of cacti, bushes, or trees, in caves, on rock-strewn slopes, or on ledges. Structures in arid sites protected from rain become very hard because of the high mineral content of the woodrat’s urine, which is used as cement. Such middens may remain intact for thousands of years. By analyzing the preserved plants in these ancient dens, ecologists and paleontologists can reconstruct plant communities and climate over the last 40,000 years in the southwestern United States.

The populations of most woodrat species have been assessed by the International Union for Conservation of Nature and Natural Resources (IUCN), which considers most woodrats as species of least concern. The organization lists Nelson’s woodrat (N. nelsoni), which is limited to a small pocket on the slopes of Mexico’s Sierra Madre Oriental, as a critically endangered species and Bolano’s woodrat (N. palatina), found in Mexico’s Sierra Madre Occidental, as a vulnerable one. The IUCN has listed two subspecies of Bryant’s woodrat (N. bryanti) endemic to islands in the Gulf of California—Anthony’s woodrat (N. bryanti anthonyi), found on the Todos Santos Islands, and Bunker’s woodrat (N. bryanti bunkeri), of Isla Coronados—as extinct since 2018, as a result of depletion of native vegetation and the introduction of feral cats.

Woodrats belong to the subfamily Neotominae of the mouse family (Cricetidae) within the order Rodentia. Fossils trace their history to the late Miocene Epoch (23 million to 5.3 million years ago) of North America.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by John P. Rafferty.

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