White-throated Woodrat

white-throated woodrat
White-throated woodrat

NPS Photo

White-throated Woodrat
Neotoma albigula

Body length: 7 1/2 - 8 1/2"
Diet: Cactus, mesquite beans, and seeds

This species of "packrat" is nicknamed for its habit of gathering wood, cactus parts, stones, cow dung, bones, beer cans, candy wrappers - just about every movable object in the vicinity - to build its large nest. Woodrat collections provide us with an important window into the past. Preserved inside ancient nests found in the desert are acorns, pine sticks, and other items which suggest a cooler, wetter climate. Using carbon dating, scientists have determined that 10,000 years ago areas such as Tonto National Monument were covered by oak woodlands. As the climate gradually grew warmer and dryer, woodrats began filling their nests with cacti and other desert plants we find today.

Biologically, mice and rats are not different - though the names are useful in distinguishing smaller rodents from larger ones. Woodrats are the largest "mice" found in our area. They are common at the Monument, and occur in every vegetation community.

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26260 N AZ Hwy 188 Lot 2
Roosevelt, AZ 85545


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