How many hearts does an octopus have?
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
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- What is the smallest marine mammal?
“The sea otter is the smallest marine mammal.”
Reference: NOAA Fisheries
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Which animal has the densest fur?
Sea otters have the densest fur of any animal, up to about a million hairs per square inch.
How big do Rottweilers get?
Male Rottweilers typically weigh between about 95 and 135 pounds, making them powerful, heavily muscled dogs that need early training and socialization.