Viscachas are often recognized for their droopy expressions, which have made them gain attention online for looking perpetually tired. Despite their sleepy appearance, these South American rodents are actually agile and highly social, sharing close ties with chinchillas. They inhabit rocky, high-altitude regions like the Andes, where they live in colonies and feed primarily on vegetation. Their dense fur provides insulation against the cold, helping them thrive in mountainous environments and stay active during the cooler parts of the day.
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