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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- Can narwhals have two tusks?
“Rarely, a narwhal grows two tusks.”
Reference: Smithsonian Ocean
More from this shelf
What is a narwhal's tusk?
A narwhal's tusk is actually a tooth that grows through its upper lip, and it's usually found on males.
What is an "otter tail"?
The Labrador Retriever has a thick, rounded, tapering "otter tail" that works like a rudder, helping the dog steer while it swims.