Test yourself on Mammals with AI-generated multiple-choice questions, answers, and explanations.
Because this mammal has a remarkably high metabolic rate, leading to a heart rate that can exceed 1000 beats per minute.
Because it can grow to be up to 13 feet tall at the shoulder and weigh over 12,000 pounds, making it the biggest among land mammals.
Because it migrates approximately 12,000 miles annually between feeding and breeding grounds, the longest known migration route for any mammal.
Because it possesses venomous spurs on its hind limbs, making it unique among mammals.