equine
The equine seahorse is rare among fish because it is monogamous, and mates for life. Rarer still, the male seahorse bears the unborn young!
monogamous
The equine seahorse is rare among fish because it is monogamous, and mates for life. Rarer still, the male seahorse bears the unborn young!
promiscuous
The study reveals that promiscuous primate species have faster sperm than their more monogamous counterparts.
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