Hey Ladies, There's An Easy Way To Gauge Narwhal Testicle Size
Is that your tusk or are you just happy to see me?
Narwhals are mystical, elusive Arctic creatures.
New research shows male tusks can be indicators of their testicle size and fertility.
The bigger the tusk, the larger the testes. That means that like peacocks, narwhals might rely on their appearance to attract a mate.
So the next time you hear a narwhal ask if you know what a big tusk means...
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